n. The fruit of the orange-tree, a large globose berry of eight or ten membranous cells, each containing several seeds which are packed in a pulp of fusiform vesicles, distended with an acidulous refreshing juice.n. A rather low branching evergreen fruit-tree, Citrus Aurantium, with greenish-brown bark, elliptical or ovate coriaceous leaves, the petiole often winged, and fragrant white flowers.n. A reddish-yellow color, of which the orange is the type.n. In heraldry, a roundel tenné. See roundel.n. The Carolina cherry-laurel, Prunus Caroliniana. It is a small tree with glossy coriaceous leaves, wild and cultivated for ornament in the southern United States. Its foliage, bark, and fruit contain prussic acid, and the leaves are often fatal to animals browsing upon them. Also called mock-orange and wild peach.n. See toothache-tree.Of or belonging to an orange; specifically, being of the reddish-yellow color of the orange.Of or pertaining to the principality of Orange in France, or the line of princes named from it: often with special reference to William III. of England, Prince of Orange, who was regarded as the champion of Protestantism against Louis XIV. on the continent, and against James II. in Ireland.Of or pertaining to the Society of Orangemen, or Orangeism: as, an Orange lodge; an Orange emblem. See Orangeman.n. A mordant acid coal-tar color of the monoazo type prepared by combining diazotized para-nitraniline with salicylic acid. Also called alizarin yellow R.n. Same as orange T.