LIME

n. 1 a a round citrus fruit like a lemon but greener, smaller, and more acid. b the tree, Citrus aurantifolia, bearing this. 2 (in full lime-juice) the juice of limes as a drink and formerly esp. as a cure for scurvy. 3 (in full lime-green) a pale green colour like a lime. [F f. mod.Prov. limo, Sp. lima f. Arab. lima: cf. LEMON]