Synonyms of onion

Noun

1. onion, bulb

usage: the bulb of an onion plant

2. onion, onion plant, Allium cepa, alliaceous plant

usage: bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb

3. onion, vegetable, veggie, veg

usage: an aromatic flavorful vegetable

Definition and meaning of onion (Dictionary)