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 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 scrap or morsel of food left at a meal.
a gadget; dingus; thingumbob.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
c.1400, from L. confinium (pl. confinia) "boundary, limit," from confine, neut. of confinis "bordering on," from com- "with" + finis "an end" (see finish). The noun is older in Eng.; verb sense of "keeping within limits" is from 1595.