Meaning

noun tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times

noun the dried grains or kernels or corn used as animal feed or ground for meal

noun ears of corn that can be prepared and served for human food

originInherited from Middle English corn, from Old English corn, from Proto-West Germanic *korn, from Proto-Germanic *kurną, from Proto-Indo-European *ǵr̥h₂nóm (“grain; worn-down”), from *ǵerh₂- (“grow old, mature”). Cognate with Dutch koren, German Low German Koorn, German Korn, Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish korn; see also Albanian grurë, Russian зерно́ (zernó), Czech zrno,…

Etymology from Wiktionary, CC BY-SA 3.0