Defn: A liliaceous plant of the genus Allium (A.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 (Zoöl.), the grenadier. — Onion fly (Zoöl.) 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.
ONIONSKIN
On"ion*skin`, n. [Onion + skin.]
Defn: A kind of thin translucent paper with a glossy finish.
ONIROCRITIC
O*ni`ro*crit`ic, a.
Defn: See Oneirocritic.
ONLINESS
On"li*ness, n.
Defn: The state of being alone. [Obs.]
ONLOFT
On*loft", adv.
Defn: Aloft; above ground. [Obs.]
She kept her father's life onloft. Chaucer.
ON-LOOKER
On"-look`er, n.