n. [ F. bombasin, LL. bombacinium, bambacinium, L. bombycinus silken, bombycinum a silk or cotton texture, fr. bombyx silk, silkworm, Gr. &unr_;. Cf. Bombast, Bombycinous. ] A twilled fabric for dresses, of which the warp is silk, and the weft worsted. Black bombazine has been much used for mourning garments. [ Sometimes spelt bombasin, and bombasine. ] Tomlinson. [ 1913 Webster ]