onion
on.ion \'*n-y*n\ n [ME, fr. MF oignon, fr. L union-, unio] often attrib 1: a widely cultivated Asiatic herb (Allium cepa) of the lily family with pungent edible bulbs; also : its bulb 2: any of various plants of the same genus as the onion
Webster's English Dictionaryon.ion \'*n-y*n\ n [ME, fr. MF oignon, fr. L union-, unio] often attrib 1: a widely cultivated Asiatic herb (Allium cepa) of the lily family with pungent edible bulbs; also : its bulb 2: any of various plants of the same genus as the onion