(Chem.) A prefix (also used adjectively) signifying rose-red; specifically used to designate certain rose-red compounds (called roseo-cobaltic compounds) of cobalt with ammonia. Cf. Luteo-. [ 1913 Webster ]

‖n. [ NL., dim. of L. rosa a rose. ] (med.) A rose-colored efflorescence upon the skin, occurring in circumscribed patches of little or no elevation and often alternately fading and reviving; also, an acute specific disease which is characterized by an eruption of this character; -- called also rose rash. -- Ro*se"o*lous a. [1913 Webster]

v. t. 1. To render rose-colored; to redden; to flush. [ Poetic ] “A maid yet rosed over with the virgin crimson of modesty.” Shak. [ 1913 Webster ]

2. To perfume, as with roses. [ Poetic ] Tennyson. [ 1913 Webster ]

imp. of Rise. [ 1913 Webster ]

n. [ AS. rose, L. rosa, probably akin to Gr. &unr_;, Armor. vard, OPer. vareda; and perhaps to E. wort: cf. F. rose, from the Latin. Cf. Copperas, Rhododendron. ] 1. A flower and shrub of any species of the genus Rosa, of which there are many species, mostly found in the morthern hemispere [ 1913 Webster ]

☞ Roses are shrubs with pinnate leaves and usually prickly stems. The flowers are large, and in the wild state have five petals of a color varying from deep pink to white, or sometimes yellow. By cultivation and hybridizing the number of petals is greatly increased and the natural perfume enhanced. In this way many distinct classes of roses have been formed, as the Banksia, Baurbon, Boursalt, China, Noisette, hybrid perpetual, etc., with multitudes of varieties in nearly every class. [ 1913 Webster ]

2. A knot of ribbon formed like a rose; a rose knot; a rosette, esp. one worn on a shoe. Sha. [ 1913 Webster ]

3. (Arch.) A rose window. See Rose window, below. [ 1913 Webster ]

4. A perforated nozzle, as of a pipe, spout, etc., for delivering water in fine jets; a rosehead; also, a strainer at the foot of a pump. [ 1913 Webster ]

5. (Med.) The erysipelas. Dunglison. [ 1913 Webster ]

6. The card of the mariner's compass; also, a circular card with radiating lines, used in other instruments. [ 1913 Webster ]

7. The color of a rose; rose-red; pink. [ 1913 Webster ]

8. A diamond. See Rose diamond, below. [ 1913 Webster ]

Cabbage rose,
China rose, etc. See under Cabbage, China, etc. --
Corn rose (Bot.) See Corn poppy, under Corn. --
Infantile rose (Med.), a variety of roseola. --
Jamaica rose. (Bot.) See under Jamaica. --
Rose acacia (Bot.), a low American leguminous shrub (Robinia hispida) with handsome clusters of rose-colored blossoms. --
Rose aniline. (Chem.) Same as Rosaniline. --
Rose apple (Bot.), the fruit of the tropical myrtaceous tree Eugenia Jambos. It is an edible berry an inch or more in diameter, and is said to have a very strong roselike perfume. --
Rose beetle. (Zool.) (a) A small yellowish or buff longlegged beetle (Macrodactylus subspinosus), which eats the leaves of various plants, and is often very injurious to rosebushes, apple trees, grapevines, etc. Called also rose bug, and rose chafer. (b) The European chafer. --
Rose bug. (Zool.) same as Rose beetle, Rose chafer. --
Rose burner, a kind of gas-burner producing a rose-shaped flame. --
Rose camphor (Chem.), a solid odorless substance which separates from rose oil. --
Rose campion. (Bot.) See under Campion. --
Rose catarrh (Med.), rose cold. --
Rose chafer. (Zool.) (a) A common European beetle (Cetonia aurata) which is often very injurious to rosebushes; -- called also rose beetle, and rose fly. (b) The rose beetle (a). --
Rose cold (Med.), a variety of hay fever, sometimes attributed to the inhalation of the effluvia of roses. See Hay fever, under Hay. --
Rose color, the color of a rose; pink; hence, a beautiful hue or appearance; fancied beauty, attractiveness, or promise. --
Rose de Pompadour,
Rose du Barry, names succesively given to a delicate rose color used on Sèvres porcelain. --
Rose diamond, a diamond, one side of which is flat, and the other cut into twenty-four triangular facets in two ranges which form a convex face pointed at the top. Cf. Brilliant, n. --
Rose ear. See under Ear. --
Rose elder (Bot.), the Guelder-rose. --
Rose engine, a machine, or an appendage to a turning lathe, by which a surface or wood, metal, etc., is engraved with a variety of curved lines. Craig. --
Rose family (Bot.) the Roseceae. See Rosaceous. --
Rose fever (Med.), rose cold. --
Rose fly (Zool.), a rose betle, or rose chafer. --
Rose gall (Zool.), any gall found on rosebushes. See Bedeguar. --
Rose knot, a ribbon, or other pliade band plaited so as to resemble a rose; a rosette. --
Rose lake,
Rose madder, a rich tint prepared from lac and madder precipitated on an earthy basis. Fairholt. --
Rose mallow. (Bot.) (a) A name of several malvaceous plants of the genus Hibiscus, with large rose-colored flowers. (b) the hollyhock. --
Rose nail, a nail with a convex, faceted head. --
Rose noble, an ancient English gold coin, stamped with the figure of a rose, first struck in the reign of Edward III., and current at 6s. 8d. Sir W. Scott. --
Rose of China. (Bot.) See China rose (b), under China. --
Rose of Jericho (Bot.), a Syrian cruciferous plant (Anastatica Hierochuntica) which rolls up when dry, and expands again when moistened; -- called also resurrection plant. --
Rose of Sharon (Bot.), an ornamental malvaceous shrub (Hibiscus Syriacus). In the Bible the name is used for some flower not yet identified, perhaps a Narcissus, or possibly the great lotus flower. --
Rose oil (Chem.), the yellow essential oil extracted from various species of rose blossoms, and forming the chief part of attar of roses. --
Rose pink, a pigment of a rose color, made by dyeing chalk or whiting with a decoction of Brazil wood and alum; also, the color of the pigment. --
Rose quartz (Min.), a variety of quartz which is rose-red. --
Rose rash. (Med.) Same as Roseola. --
Rose slug (Zool.), the small green larva of a black sawfly (Selandria rosae). These larvae feed in groups on the parenchyma of the leaves of rosebushes, and are often abundant and very destructive. --
Rose window (Arch.), a circular window filled with ornamental tracery. Called also Catherine wheel, and marigold window. Cf. wheel window, under Wheel. --
Summer rose (Med.), a variety of roseola. See Roseola. --
Under the rose [ a translation of L. sub rosa ], in secret; privately; in a manner that forbids disclosure; -- the rose being among the ancients the symbol of secrecy, and hung up at entertainments as a token that nothing there said was to be divulged. --
Wars of the Roses (Eng. Hist.), feuds between the Houses of York and Lancaster, the white rose being the badge of the House of York, and the red rose of the House of Lancaster. [ 1913 Webster ]

a. [ L. roseus, fr. rosa a rose. ] resembling a rose in smell or color. [ Obs. ] Sir T. Elyot. [ 1913 Webster ]

a. [ Cf. L. roseus, rosatus, prepared from roses. See Roseal, Rose. ] 1. Full of roses; rosy; as, roseate bowers. [ 1913 Webster ]

2. resembling a rose in color or fragrance; esp., tinged with rose color; blooming; as, roseate beauty; her roseate lips. [ 1913 Webster ]

Roseate tern (Zool.), an American and European tern (Sterna Dougalli) whose breast is roseate in the breeding season. [ 1913 Webster ]

n. (Bot.) (a) the oleander. [ Obs. ] (b) Any shrub of the genus Rhododendron. [ U.S. ] (c) An herb (Epilobium spicatum) with showy purple flowers, common in Europe and North America; -- called also great willow herb. [ 1913 Webster ]

n. The flower of a rose before it opens, or when but partially open. [ 1913 Webster ]

n. The bush or shrub which bears roses. [ 1913 Webster ]

a. 1. Having the color of a pink rose; rose-pink; of a delicate pink color. [ 1913 Webster ]

2. Uncommonly beautiful; hence, extravagantly fine or pleasing; alluring; as, rose-colored anticipations. [ 1913 Webster ]

a. Cut flat on the reverse, and with a convex face formed of triangular facets in rows; -- said of diamonds and other precious stones. See Rose diamond, under Rose. Cf. Brilliant, n. [ 1913 Webster ]