bombax, interj., = βομβάξ (v. Eustath. Od. p. 1718, a), an exclamation of real or affected surprise,
indeed! strange! Ca. Fur. Ba. Babae. Ps. Fugitive. Ba. Bombax, Plaut. Ps. 1, 3, 131 Lambin.
·noun A genus of trees, called also the silkcotton tree; also, a tree of the genus Bombax. ...
Webster's Dictionary of the English Language