Definify.com
Webster 1913 Edition
Onion
On′ion
,Noun.
1.
(Bot.)
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. Onion fish
(Zool.)
, the grenadier.
– Onion fly
(Zool.)
a dipterous insect whose larva feeds upon the onion; especially,
– Anthomyia ceparum
and Ortalis flexa
. Welsh onion
. (Bot.)
See
– Cibol
. Wild onion
(Bot.)
, a name given to several species of the genus
Allium
.Webster 1828 Edition
Onion
ONION
,Noun.
A plant of the genus Allium; and particularly, its bulbous root, much used as an article of food.