ALL meanings of onion
on·ion
O o - noun onion a plant, Allium cepa, of the amaryllis family, having an edible, succulent, pungent bulb. 1
- noun onion any of certain similar plants. 1
- noun onion the bulb of the onion plant. 1
- noun onion the flavor or odor of this bulb. 1
- noun onion Slang. a person: He's a tough onion. 1
- adjective onion containing or cooked with onions: onion soup. 1
- adjective onion of, relating to, or resembling an onion. 1
- idioms onion know one's onions, Slang. to know one's subject or business thoroughly; be capable or proficient. 1
- noun onion food: root vegetable 1
- noun onion plant 1
- noun onion An edible bulb with a pungent taste and smell, composed of several concentric layers, used in cooking. 1
- noun onion containing onions 1
- variable noun onion An onion is a round vegetable with a brown skin that grows underground. It has many white layers on its inside which have a strong, sharp smell and taste. 0
- noun onion an alliaceous plant, Allium cepa, having greenish-white flowers: cultivated for its rounded edible bulb 0
- noun onion the bulb of this plant, consisting of concentric layers of white succulent leaf bases with a pungent odour and taste 0
- noun onion any of several related plants similar to A. cepa, such as A. fistulosum (Welsh onion) 0
- noun onion a plant (Allium cepa) of the lily family, having an edible bulb with a strong, sharp smell and taste 0
- noun onion the bulb of this plant, formed of close, concentric layers of leaf bases 0
- noun onion any of various related plants 0
- noun onion An onion is a round vegetable with a light brown skin. It has many white layers on its inside which have a strong, sharp smell and taste. 0