Căs'ca-rĭl'lȧ, n.

n. [Sp. cascarilla, a small thin bark, Peruvian bark, dim. of cáscara, peel, bark; casca, bark for tanning leather, casco, something broken, potsherd, from cascar, to break into pieces. See supra.] (Bot.) A plant of the euphorbiaceous genus Croton (C. eleutheria), a native of Jamaica, which furnishes the cascarilla bark used in medicine as a tonic. This bark has a spicy odor, and a warm, aromatic taste; and when burnt and extinguished it emits an odor resembling that of musk. Loudon.