tree onion

(obsolete, dialect) A fish, the grenadier.

Delia antiqua, a cosmopolitan pest of crops, whose larvae or maggots feed on onions, garlic and other bulbous plants.

An onion cut to resemble a flower, battered and deep-fried as an appetizer.

Allium × proliferum, a kind of hybrid onion with a cluster of bulblets where a normal onion would have flowers.

plural of yellow onion

yellow onion

plural of brown onion

plural of cocktail onion

A pearl onion or other sweet onion seasoned and pickled in brine, used as a cocktail garnish.