Webster's Unabridged Dictionary - Letter R - Page 78

Rosette (n.) Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. See Illust. of Spicule, and Sand dollar, under Sand.

Rosette (n.) A flowerlike color marking; as, the rosettes on the leopard.

Rose water () Water tinctured with roses by distillation.

Rose-water (a.) Having the odor of rose water; hence, affectedly nice or delicate; sentimental.

Rosewood (n.) A valuable cabinet wood of a dark red color, streaked and variegated with black, obtained from several tropical leguminous trees of the genera Dalbergia and Machaerium. The finest kind is from Brazil, and is said to be from the Dalbergia nigra.

Roseworm (n.) The larva of any one of several species of lepidopterous insects which feed upon the leaves, buds, or blossoms of the rose, especially Cacaecia rosaceana, which rolls up the leaves for a nest, and devours both the leaves and buds.

Rosewort (n.) Roseroot.

Rosewort (n.) Any plant nearly related to the rose.

Rosicrucian (n.) One who, in the 17th century and the early part of the 18th, claimed to belong to a secret society of philosophers deeply versed in the secrets of nature, -- the alleged society having existed, it was stated, several hundred years.

Rosicrucian (a.) Of or pertaining to the Rosicrucians, or their arts.

Rosied (a.) Decorated with roses, or with the color of roses.

Rosier (n.) A rosebush; roses, collectively.

Rosily (adv.) In a rosy manner.

Rosin (n.) The hard, amber-colored resin left after distilling off the volatile oil of turpentine; colophony.

Rosin (v. t.) To rub with rosin, as musicians rub the bow of a violin.

Rosiness (n.) The quality of being rosy.

Rosinweed (n.) The compass plant. See under Compass.

Rosinweed (n.) A name given in California to various composite plants which secrete resins or have a resinous smell.

Rosiny (a.) like rosin, or having its qualities.

Rosland (n.) heathy land; land full of heather; moorish or watery land.

Rosmarine (n.) Dew from the sea; sea dew.

Rosmarine (n.) Rosemary.

Rosmarine (n.) A fabulous sea animal which was reported to climb by means of its teeth to the tops of rocks to feed upon the dew.

Rosolic (a.) Pertaining to, or designating, a complex red dyestuff (called rosolic acid) which is analogous to rosaniline and aurin. It is produced by oxidizing a mixture of phenol and cresol, as a dark red amorphous mass, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin.

Ross (n.) The rough, scaly matter on the surface of the bark of trees.

Ross (v. t.) To divest of the ross, or rough, scaly surface; as, to ross bark.

Rossel (n.) Light land; rosland.

Rossel current () A portion of the southern equatorial current flowing westward from the Fiji Islands to New Guinea.

Rosselly (a.) Loose; light.

Rost (n.) See Roust.

Rostel (n.) same as Rostellum.

Rostellar (a.) Pertaining to a rostellum.

Rostellate (a.) Having a rostellum, or small beak; terminating in a beak.

Rostelliform (a.) Having the form of a rostellum, or small beak.

Rostella (pl. ) of Rostellum

Rostellum (n.) A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets, or of the operculum of many mosses; the rostellum on the head of a tapeworm.

Roster (n.) A register or roll showing the order in which officers, enlisted men, companies, or regiments are called on to serve.

Rostra (n. pl.) See Rostrum, 2.

Rostral (a.) Of or pertaining to the beak or snout of an animal, or the beak of a ship; resembling a rostrum, esp., the rostra at Rome, or their decorations.

Rostrate (a.) Alt. of Rostrated

Rostrated (a.) Having a process resembling the beak of a bird; beaked; rostellate.

Rostrated (a.) Furnished or adorned with beaks; as, rostrated galleys.

Rostrifera (n. pl.) A division of pectinibranchiate gastropods, having the head prolonged into a snout which is not retractile.

Rostriform (a.) Having the form of a beak.

Rostrula (pl. ) of Rostrulum

Rostrulum (n.) A little rostrum, or beak, as of an insect.

Rostra (pl. ) of Rostrum

Rostrums (pl. ) of Rostrum

Rostrum (n.) The beak or head of a ship.

Rostrum (n.) The Beaks; the stage or platform in the forum where orations, pleadings, funeral harangues, etc., were delivered; -- so called because after the Latin war, it was adorned with the beaks of captured vessels; later, applied also to other platforms erected in Rome for the use of public orators.

Rostrum (n.) Hence, a stage for public speaking; the pulpit or platform occupied by an orator or public speaker.

Rostrum (n.) Any beaklike prolongation, esp. of the head of an animal, as the beak of birds.

Rostrum (n.) The beak, or sucking mouth parts, of Hemiptera.

Rostrum (n.) The snout of a gastropod mollusk. See Illust. of Littorina.

Rostrum (n.) The anterior, often spinelike, prolongation of the carapace of a crustacean, as in the lobster and the prawn.

Rostrum (n.) Same as Rostellum.

Rostrum (n.) The pipe to convey the distilling liquor into its receiver in the common alembic.

Rostrum (n.) A pair of forceps of various kinds, having a beaklike form.

Rosulate (a.) Arranged in little roselike clusters; -- said of leaves and bracts.

Rosy (superl.) Resembling a rose in color, form, or qualities; blooming; red; blushing; also, adorned with roses.

Rotted (imp. & p. p.) of Rot

Rotting (p. pr. & vb. n.) of Rot

Rot (v. i.) To undergo a process common to organic substances by which they lose the cohesion of their parts and pass through certain chemical changes, giving off usually in some stages of the process more or less offensive odors; to become decomposed by a natural process; to putrefy; to decay.

Rot (v. i.) Figuratively: To perish slowly; to decay; to die; to become corrupt.

Rot (v. t.) To make putrid; to cause to be wholly or partially decomposed by natural processes; as, to rot vegetable fiber.

Rot (v. t.) To expose, as flax, to a process of maceration, etc., for the purpose of separating the fiber; to ret.

Rot (n.) Process of rotting; decay; putrefaction.

Rot (n.) A disease or decay in fruits, leaves, or wood, supposed to be caused by minute fungi. See Bitter rot, Black rot, etc., below.

Rot (n.) A fatal distemper which attacks sheep and sometimes other animals. It is due to the presence of a parasitic worm in the liver or gall bladder. See 1st Fluke, 2.

Rota (n.) An ecclesiastical court of Rome, called also Rota Romana, that takes cognizance of suits by appeal. It consists of twelve members.

Rota (n.) A short-lived political club established in 1659 by J.Harrington to inculcate the democratic doctrine of election of the principal officers of the state by ballot, and the annual retirement of a portion of Parliament.

Rota (n.) A species of zither, played like a guitar, used in the Middle Ages in church music; -- written also rotta.

Rotacism (n.) See Rhotacism.

Rotal (a.) Relating to wheels or to rotary motion; rotary.

Rotalite (n.) Any fossil foraminifer of the genus Rotalia, abundant in the chalk formation. See Illust. under Rhizopod.

Rotary (a.) Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary motion.

Rotascope (n.) Same as Gyroscope, 1.

Rotate (a.) Having the parts spreading out like a wheel; wheel-shaped; as, a rotate spicule or scale; a rotate corolla, i.e., a monopetalous corolla with a flattish border, and no tube or a very short one.

Rotated (imp. & p. p.) of Rotate

Rotating (p. pr. & vb. n.) of Rotate

Rotate (v. i.) To turn, as a wheel, round an axis; to revolve.

Rotate (v. i.) To perform any act, function, or operation in turn, to hold office in turn; as, to rotate in office.

Rotate (v. i.) To cause to turn round or revolve, as a wheel around an axle.

Rotate (v. i.) To cause to succeed in turn; esp., to cause to succeed some one, or to be succeeded by some one, in office.

Rotated (a.) Turned round, as a wheel; also, wheel-shaped; rotate.

Rotation (n.) The act of turning, as a wheel or a solid body on its axis, as distinguished from the progressive motion of a revolving round another body or a distant point; thus, the daily turning of the earth on its axis is a rotation; its annual motion round the sun is a revolution.

Rotation (n.) Any return or succesion in a series.

Rotation (a.) Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity.

Rotative (a.) turning, as a wheel; rotary; rotational.

Rotator (n.) that which gives a rotary or rolling motion, as a muscle which partially rotates or turns some part on its axis.

Rotator (n.) A revolving reverberatory furnace.

Rotatoria (n. pl.) Same as Rotifera.

Rotatory (a.) Turning as on an axis; rotary.

Rotatory (a.) Going in a circle; following in rotation or succession; as, rotatory assembles.

Rotatory (a.) Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization.

Rotatory (n.) A rotifer.

Rotche (n.) A very small arctic sea bird (Mergulus alle, or Alle alle) common on both coasts of the Atlantic in winter; -- called also little auk, dovekie, rotch, rotchie, and sea dove.

Rotchet (n.) The European red gurnard (Trigla pini).

Rote (n.) A root.

Rote (n.) A kind of guitar, the notes of which were produced by a small wheel or wheel-like arrangement; an instrument similar to the hurdy-gurdy.

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