Simple Definition of onion
: a round vegetable that is usually white, yellow, or red and has a strong smell and taste
Full Definition of onion
1 : a widely cultivated Asian 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
Examples of onion
The recipe calls for chopped onions.
He is growing onions in the garden this year.
The recipe calls for chopped onion.
Origin of onion
Middle English, from Anglo-French oignon, from Latin union-, unio
First Known Use: 14th century
Seen and Heard
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