COIN

I. noun Etymology: Middle English, from Anglo-French ~g wedge, corner, from Latin cuneus wedge Date: 14th century 1. archaic corner , cornerstone , quoin , wedge , 2. a usually flat piece of metal issued by governmental authority as money, metal money, something resembling a ~ especially in shape, something used as if it were money (as in verbal or intellectual exchange) , something having two different and usually opposing sides, money , II. transitive verb Date: 14th century 1. to make (a ~) especially by stamping ; mint , to convert (metal) into ~s, create , invent , ~er noun III. adjective Date: circa 1566 of or relating to ~s, operated by ~s