Dictionary > English Dictionary > Definition, synonym and antonym of onion
Meaning of onion by Wiktionary Dictionary


    A sliced onion


    Middle English onyon, union, oinyon, from Anglo-Norman union et al. and Old French oignon, from Latin ūniōnem, accusative of ūniō ( “onion, large pearl” ) ( probably from ūnus ( “one” ), but perhaps compare Hittite wašḫar ( “garlic” ), Sanskrit उष्ण ( uṣṇa, “onion” ), Pashto ووږه ( ūža, “garlic” ), Khowar wǝẓnū ( “garlic” )[1] ). Displaced the inherited term ramsons .


    • IPA: /ˈʌnjən/, /ˈʌɲən/, /ˈʌŋjən/, X-SAMPA: /"Vnj@n/, /"VJ@n/, /"VNj@n/


    onion ( plural: onions )

    1. A monocotyledonous plant of genus Allium allied to garlic, used as vegetable and spice .
    2. The bulb of such a plant .
    3. ( uncountable ) The genus as a whole .
    4. ( obsolete baseball slang ) A ball .
    5. ( colloquial, chiefly archaic ) A person from Bermuda or of Bermudian descent .

    See also

    See also

    1. ^ Witczak, The Hittite Name For 'Garlic'

Explanation of onion by Wordnet Dictionary


    1. an aromatic flavorful vegetable

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

    3. the bulb of an onion plant

    Definition of onion by GCIDE Dictionary


    1. Onion n. [F. ognon, fr. L. unio oneness, unity, a single large pearl, an onion. See One, Union.]
      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.

      2. The flavor of an onion1.

      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.