Rosemary, rōz′mā-ri, n. a small fragrant evergreen shrub of a pungent taste, growing in the countries round the Mediterranean—an ancient emblem of fidelity. [O. Fr. rosmarin—L. ros-marinus—ros, dew, marinus—mare, the sea.]
Roseola, rō-zē′ō-la, n. a rash of rose-coloured patches.
Roset, rō′zet, n. a red colour used by painters.
Roset, ros′et, n. (Scot.) rosin.
Rosetta-stone, rō-zet′a-stōn, n. a slab of black basalt found at Rosetta in Egypt in 1799, having inscribed upon it, in hieroglyphics, demotic or enchorial, and Greek, a decree in honour of Ptolemy V.—the first clue to the decipherment of hieroglyphics.
Rosetta-wood, rō-zet′a-wōōd, n. a handsome orange-wood used in cabinet-making.
Rosette, rō-zet′, n. an imitation of a rose by means of a ribbon: a form of knot: (archit.) a rose-shaped ornament: a disc formed by throwing water on melted metal.—adj. Roset′ted.—Red rosette, or button, the rosette worn by officers of the Legion of Honour. [Fr., dim. of rose.]
Rosicrucian, roz-i-krōō′shi-an, n. one of a secret society of the 17th century, the members of which made great pretensions to an acquaintance with the secrets of Nature, the transmutation of metals, power over elemental spirits, magical signatures, &c.—n. Rosicru′cianism. [Prob. Latinised from Christian Rosenkreuz ('rose cross,' L. rosa, rose, crux, cross), the alleged founder in 1459; or from L. roscidus, dewy—ros, dew, crux, crucis, a cross.]
Rosin, roz′in, n. the solid left after distilling off the oil from crude turpentine.—v.t. to rub or cover with rosin.—adj. Ros′ined.—ns. Ros′in-oil, an oil from pine resin for lubricating machinery; Ros′in-wood, any plant of the genus Silphium.—adj. Ros′iny, like or containing rosin. [Resin.]
Rosing, rō′zing, n. the operation of imparting a pink tint to raw white silk.