Definition of Onion

1. Noun. The bulb of an onion plant.

Group relationships: Allium Cepa, Onion Plant
Generic synonyms: Bulb

2. Noun. Bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb.

3. Noun. An aromatic flavorful vegetable.

Definition of Onion

1. n. 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.

Definition of Onion

1. Noun. A monocotyledonous plant of genus ''Allium'' allied to garlic, used as vegetable and spice. ¹

2. Noun. The bulb of such a plant. ¹

3. Noun. The genus as a whole. ¹

4. Noun. (obsolete baseball slang) A ball. ¹

5. Noun. (context: colloquial chiefly archaic) A person from Bermuda or of Bermudian descent. ¹

¹ Source: wiktionary.com

Definition of Onion

1. the edible bulb of a cultivated herb [n -S] : ONIONY [adj]

Medical Definition of Onion

1. 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, a dipterous insect whose larva feeds upon the onion; especially, Anthomyia ceparum and Ortalis flexa. Welsh onion. Origin: F. Ognon, fr. L. Unio oneness, unity, a single large pearl, an onion. See One, Union. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Onion

ongoing
ongoingly
ongoingness
ongoingnesses
ongoings
onguent
onhand
onhanger
onhold
oni
onia
onie
onigiri
oniochalasia
oniomania
onion (current term)
onion bagel
onion bodies
onion bread
onion bulb neuropathy
onion dome
onion domes
onion louse
onion mildew
onion plant
onion ring
onion rings
onion roll

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