an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
disease of the hock joint of a horse, 1426, from M.Fr. espavain, probably from Frank. *sparwan "sparrow" (see sparrow), so called perhaps from comparison of the bird's awkward gait to that of a horse affected with spavin.