n. [ Gr. &unr_; tin. ] (Min.) Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; also massive, sometimes in compact forms with concentric fibrous structure resembling wood (wood tin), also in rolled fragments or pebbly (Stream tin). It is the chief source of metallic tin. See Black tin, under Black. [ 1913 Webster ]

n. a type of tropical American thorny shrub or small tree (Acacia farnesiana); it bears fragrant yellow flowers used in making perfumery.
Syn. -- huisache, mimosa bush, sweet wattle, sweet acacia, scented wattle, flame tree, Acacia farnesiana. [ WordNet 1.5 ]