[mass noun]a Central American cereal plant which yields large grains set in rows on a cob. It is familiar as cornflakes, popcorn, and corn on the cob, and the many varieties include some used for stockfeed and corn oil 玉米
Zea mays, family Gramineae; it was domesticated before 5000 bc, though the wild ancestor is unidentified 拉丁名Zea mays,禾本科;虽然玉米的野生原种至今未被确认,但人类在公元前5000年前就已开始种植
语源
mid 16th cent.: from Spanish maíz, from Taino mahiz