a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
a gadget; dingus; thingumbob.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
early 13c., from O.Fr. avoer "acknowledge, accept, recognize," especially as a protector, from L. advocare (see advocate). A synonym of avouch (q.v.), which tends to contain the more technical, legal aspect of the word. Related: Avowal.