aceous plants; the prickly pear, or Indian fig. [L. See Opera.] A work; specif. &hand; Each composition, or set of pieces, as the composer may choose, is called an opus, and they are numbered in the order of their issue. (Often abbrev. to See under Incertum. Opuscle, Opuscule O*pus"cle O*pus"cule [L. opusculum, dim. of opus work: cf. F. opuscule.] A small or petty work. Opusculum O*pus"cu*lum An opuscule. O*quas"sa A small, handsome trout (Salvelinus oquassa), found in some of the lakes in Maine; -- called also blueback trout [L. -or: cf. OF. -or, -ur, -our, F. -eur.] A noun suffix denoting an act; a state or quality; as in error, fervor, pallor, candor, etc. A noun suffix denoting an agent or doer; as in auditor, one who hears; donor, one who gives; obligor, elevator. It is correlative to -ee. In general -or is appended to words of Latin, and -er to those of English, origin. See -er. [OE. or, outher, other, auther, either, or, AS. A particle that marks an alternative; as, you may read or may write, -- that is, you may do one of the things at your pleasure, but not both. It corresponds to either. You may ride either to London or to Windsor. It often connects a series of words or propositions, presenting a choice of either; as, he may study law, or medicine, or divinity, or he may enter into trade. If man's convenience, health, Or safety interfere, his rights and claims Are paramount. &hand; Or may be used to join as alternatives terms expressing unlike things or ideas (as, is the orange sour or sweet?), or different terms expressing the same thing or idea; as, this is a sphere, or globe. &hand; Or sometimes begins a sentence. In this case it expresses an alternative or subjoins a clause differing from the foregoing. "Or what man is there of you, who, if his son shall ask him for a loaf, will give him a stone?" Matt. vii. 9 (Rev. Ver. ). Or for either is archaic or poetic. Maugre thine heed, thou must for indigence Or steal, or beg, or borrow thy dispence. Chaucer. prep. & adv. prep. & adv. Ere; before; sooner than. But natheless, while I have time and space, Or that I forther in this tale pace. Chaucer. See under Ever, and Ere. [F., fr. L. aurum gold. Cf. Aureate.] Yellow or gold color, -- represented in drawing or engraving by small dots. [AS. See 2d Ore.] A money of account among the Anglo-Saxons, valued, in the Domesday Book, at twenty pence sterling. Orabassu O`ra*bas"su A South American monkey of the genus Callithrix, esp. Orach, Orache [F. arroche, corrupted fr. L. atriplex, Gr. A genus (Atriplex) of herbs or low shrubs of the Goosefoot family, most of them with a mealy surface. a plant (Atriplex hortensis), often used as a pot herb; -- also called mountain spinach Or"a*cle [F., fr. L. oraculum, fr. orare to speak, utter, pray, fr. os, oris, mouth. See Oral.] The answer of a god, or some person reputed to be a god, to an inquiry respecting some affair or future event, as the success of an enterprise or battle. Whatso'er she saith, for oracles must stand. Drayton. Hence: The deity who was supposed to give the answer; also, the place where it was given. The oracles are dumb; No voice or hideous hum Runs through the arched roof in words deceiving. The communications, revelations, or messages delivered by God to the prophets; also, the entire sacred Scriptures -- usually in the plural. The first principles of the oracles of God. Heb. v. 12. (Jewish Antiq.) The sanctuary, or Most Holy place in the temple; also, the temple itself. Siloa's brook, that flow'd Fast by the oracle of God. One who communicates a divine command; an angel; a prophet. God hath now sent his living oracle Into the world to teach his final will. Any person reputed uncommonly wise; one whose decisions are regarded as of great authority; as, a literary oracle. The country rectors . . . thought him an oracle on points of learning. Macaulay. A wise sentence or decision of great authority. Or"a*cle imp. & p. p. p. pr. & vb. n. To utter oracles. Oracular O*rac"u*lar [L. oracularius. See Oracle.] Of or pertaining to an oracle; uttering oracles; forecasting the future; as, an oracular tongue. Resembling an oracle in some way, as in solemnity, wisdom, authority, obscurity, ambiguity, dogmatism. They have something venerable and oracular in that unadorned gravity and shortness in the expression. Oraculous O*rac"u*lous Oracular; of the nature of an oracle. Oragious O*ra"gious [F. orageux.] Or"ai*son See Orison. [L. os, oris, the mouth, akin to Skr. s. Cf. Adore, Orison, Usher.] Uttered by the mouth, or in words; spoken, not written; verbal; as, oral traditions; oral testimony; oral law. Of or pertaining to the mouth; surrounding or lining the mouth; as, oral cilia or cirri. O"ral*ly In an oral manner. By, with, or in, the mouth; as, to receive the sacrament orally. See Orang-outang. [F.; cf. It. arancia, arancio, LL. arangia, Sp. naranjia, Pg. laranja; all fr. Ar. n ranj, Per. n rang; cf. Skr. n ranga orange tree. The o- in F. orange is due to confusion with or gold, L. aurum, because the orange resembles gold in color.] The fruit of a tree of the genus Citrus (C. Aurantium). It is usually round, and consists of pulpy carpels, commonly ten in number, inclosed in a leathery rind, which is easily separable, and is reddish yellow when ripe. &hand; There are numerous varieties of oranges; as, the The tree that bears oranges; the orange tree. The color of an orange; reddish yellow. See Mandarin. -- Mock orange any species of shrubs of the genus Philadelphus, which have whitish and often fragrant blossoms. -- an Australian shrub (Citriobatus parviflorus); also, its edible yellow berries. -- Orange bird a tanager of Jamaica (Tanagra zena); -- so called from its bright orange breast. -- Orange cowry a large, handsome cowry (Cypr a aurantia), highly valued by collectors of shells on account of its rarity. -- Orange grass an inconspicuous annual American plant (Hypericum Sarothra), having minute, deep yellow flowers. -- Orange oil an oily, terpenelike substance obtained from orange rind, and distinct from neroli oil, which is obtained from the flowers. -- Orange pekoe, a kind of black tea. -- Orange pippin, an orange-colored apple with acid flavor. -- Quito orange, the orangelike fruit of a shrubby species of nightshade (Solanum Quitoense), native in Quito. -- Orange scale any species of scale insects which infests orange trees; especially, the purple scale (Mytilaspis citricola), the long scale (M. Gloveri), and the red scale (Aspidiotus Aurantii). Of or pertaining to an orange; of the color of an orange; reddish yellow; as, an orange ribbon. Orangeade Or`ange*ade" [F., fr. orange.] A drink made of orange juice and water, corresponding to lemonade; orange sherbet. Orangeat Or`an*geat" [F., fr. orange.] Candied orange peel; also, orangeade. Orangeism Or"ange*ism Attachment to the principles of the society of Orangemen; the tenets or practices of the Orangemen. Orangeman Or"ange*man One of a secret society, organized in the north of Ireland in 1795, the professed objects of which are the defense of the regning sovereign of Great Britain, the support of the Protestant religion, the maintenance of the laws of the kingdom, etc.; -- so called in honor of William, Prince of Orange, who became William III. of England. Orangeroot Or"ange*root` An American ranunculaceous plant (Hidrastis Canadensis), having a yellow tuberous root; -- also called yellowroot golden seal Orangery Or"an*ger*y [F. orangerie, fr. orange. See Orange.] A place for raising oranges; a plantation of orange trees. Orangetawny Or"ange*taw`ny Deep orange-yellow; dark yellow. Orangite Or"an*gite An orange-yellow variety of the mineral thorite, found in Norway. Orang-outang O*rang"-ou*tang` [Malayan An arboreal anthropoid ape (Simia satyrus), which inhabits Borneo and Sumatra. Often called simply &hand; It is over four feet high, when full grown, and has very long arms, which reach nearly or quite to the ground when the body is erect. Its color is reddish brown. In structure, it closely resembles man in many respects. O*ra"ri*an [L. orarius, fr. ora coast.] Of or pertaining to a coast. O*ra"tion [L. oratio, fr. orare to speak, utter, pray. See Oral, Orison.] An elaborate discourse, delivered in public, treating an important subject in a formal and dignified manner; especially, a discourse having reference to some special occasion, as a funeral, an anniversary, a celebration, or the like; -- distinguished from an argument in court, a popular harangue, a sermon, a lecture, etc.; as, Webster's oration at Bunker Hill. The lord archbishop . . . made a long oration. Syn. -- Address; speech. See Harangue. O*ra"tion To deliver an oration. Or"a*tor [L., fr. orare to speak, utter. See Oration.] A public speaker; one who delivers an oration; especially, one distinguished for his skill and power as a public speaker; one who is eloquent. I am no orator, as Brutus is. Some orator renowned In Athens or free Rome. In equity proceedings, one who prays for relief; a petitioner. A plaintiff, or complainant, in a bill in chancery. (Eng. Universities) An officer who is the voice of the university upon all public occasions, who writes, reads, and records all letters of a public nature, presents, with an appropriate address, those persons on whom honorary degrees are to be conferred, and performs other like duties; -- called also public orator Oratorial Or`a*to"ri*al Oratorical. Oratorian Or`a*to"ri*an Oratorical. Or`a*to"ri*an [Cf. F. oratorien.] (R. C. Ch.) Fathers of the Oratory Oratorical Or`a*tor"ic*al Of or pertaining to an orator or to oratory; characterized by oratory; rhetorical; becoming to an orator; as, an oratorical triumph; an oratorical essay. Oratorio Or`a*to"ri*o [It., fr. L. oratorius belonging to praying. See Orator, and cf. Oratory.] A more or less dramatic text or poem, founded on some Scripture nerrative, or great divine event, elaborately set to music, in recitative, arias, grand choruses, etc., to be sung with an orchestral accompaniment, but without action, scenery, or costume, although the oratorio grew out of the Mysteries and the Miracle and Passion plays, which were acted. &hand; There are instances of secular and mythological subjects treated in the form of the oratorios, and called oratorios by their composers; as Haydn's "Seasons," Handel's "Semele," etc. Performance or rendering of such a composition. Oratorious Or`a*to"ri*ous [LL. oratorius.] Oratorical. Oratorize Or"a*tor*ize To play the orator. Or"a*to*ry [OE. oratorie, fr. L. oratorium, fr. oratorius of praying, of an orator: cf. F. oratoire. See Orator, Oral, and cf. Oratorio.] A place of orisons, or prayer; especially, a chapel or small room set apart for private devotions. An oratory [temple] . . . in worship of Dian. Chaucer. Do not omit thy prayers for want of a good oratory, or place to pray in. Jer. Taylor. Fathers of the Oratory (R. C. Ch.) a society of priests founded by St. Philip Neri, living in community, and not bound by a special vow. The members are called also oratorians Or"a*to*ry [L. oratoria (sc. ars) the oratorical art.] The art of an orator; the art of public speaking in an eloquent or effective manner; the exercise of rhetorical skill in oral discourse; eloquence. When a world of men Could not prevail with all their oratory. Oratress Or"a*tress A woman who makes public addresses. Or"a*trix A woman plaintiff, or complainant, in equity pleading. [OF. orb blind, fr. L. orbus destitute.] A blank window or panel [F. orbe, fr. L. orbis circle, orb. Cf. Orbit.] A spherical body; a globe; especially, one of the celestial spheres; a sun, planet, or star. In the small orb of one particular tear. Whether the prime orb, Incredible how swift, had thither rolled. One of the azure transparent spheres conceived by the ancients to be inclosed one within another, and to carry the heavenly bodies in their revolutions. A circle; esp., a circle, or nearly circular orbit, described by the revolution of a heavenly body; an orbit. The schoolmen were like astronomers, which did feign eccentrics, and epicycles, and such engines of orbs. You seem to me as Dian in her orb. Of circuit inexpressible they stood, Orb within orb. A period of time marked off by the revolution of a heavenly body. The eye, as luminous and spherical. A drop serene hath quenched their orbs. A revolving circular body; a wheel. The orbs Of his fierce chariot rolled. A sphere of action. But in our orbs we'll live so round and safe. Same as Mound, a ball or globe. See lst Mound. A body of soldiers drawn up in a circle, as for defense, esp. infantry to repel cavalry. Syn. -- Globe; ball; sphere. See Globe. imp. & p. p. p. pr. & vb. n. To form into an orb or circle. To encircle; to surround; to inclose. The wheels were orbed with gold. Addison. To become round like an orb. And orb into the perfect star. Tennyson. [L. orbatus, p. p. of orbare to bereave, fr. orbus bereaved of parents or children. See Orphan.] Bereaved; fatherless; childless. Orbation Or*ba"tion [L. orbatio.] The state of being orbate, or deprived of parents or children; privation, in general; bereavement. Having the form of an orb; round. d eyelids are let down. Orbic, Orbical Or"bic*al [L. orbicus, or orbitus, fr. orbis orb.] Spherical; orbicular; orblike; circular. Or"bi*cle [L. orbiculus, dim. of orbis orb.] A small orb, or sphere. Orbicula Or*bic"u*la [NL. See Orbicle.] Same as Discina. Orbicular Or*bic"u*lar [L. orbicularis, fr. orbiculus, dim. of orbis orb: cf. F. orbiculaire.] Resembling or having the form of an orb; spherical; circular; orbiculate. Orbicular as the disk of a planet. De Quincey. Orbiculate Or*bic"u*late That which is orbiculate; especially, a solid the vertical section of which is oval, and the horizontal section circular. Orbiculate, Orbiculated Or*bic"u*late Or*bic"u*la`ted [L. orbiculatus. See Orbicular.] Made, or being, in the form of an orb; having a circular, or nearly circular, or a spheroidal, outline. a leaf whose outline is nearly circular. Orbiculation Or*bic`u*la"tion The state or quality of being orbiculate; orbicularness. [L. orbita a track or rut made by a wheel, course, circuit, fr. orbis a circle: cf. F. orbite. See 2d Orb.] (Astron.) The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon. An orb or ball. Roll the lucid orbit of an eye. The cavity or socket of the skull in which the eye