01 n. A liliaceous plant of the genus Allium (Allium cepa), having a strong-flavored bulb and long hollow leaves; also, its bulbous root, much us…
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1.
A liliaceous plant of the genus Allium (Allium cepa), having a strong-flavored bulb and long hollow leaves; also, its bulbous root, much used as an article of food. The name is often extended to other species of the genus.(Bot.)
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2.
The flavor of an onion{1}.
Phrases & compounds
Onion fish —
the grenadier.
Onion fly —
a dipterous insect whose larva feeds upon the onion; especially, Anthomyia ceparum and Ortalis flexa.
Welsh onion —
See Cibol.
Wild onion —
a name given to several species of the genus Allium.