[coin] n [ME, fr. MF, wedge, corner, fr. L cuneus wedge] (14c) 1 archaic a: corner, cornerstone, quoin b: wedge
2. a: a usu. flat piece of metal issued by governmental authority as money b: metal money c: something resembling a coin esp. in shape
3: something used as if it were money (as in verbal or intellectual exchange) "perhaps wisecracks ... are respectable literary ~ in the U.S. --Times Lit. Supp." "would repay him with the full ~ of his mind --Ian Fleming"
4: something having two different and usu. opposing sides--usu. used in the phrase the other side of the coin
5: money "I'm in it for the ~ --Sinclair Lewis"
[2]coin vt (14c) 1 a: to make (a coin) esp. by stamping: mint b: to convert (metal) into coins
2: create, invent "~ a phrase" -- coin.er n -- coin money : to get rich quickly [3]coin adj (ca. 1566) 1: of or relating to coins
2: operated by coins