Meaning of ONION in English

— onionlike , adj. — oniony , adj.

/un"yeuhn/ , n.

1. a plant, Allium cepa, of the amaryllis family, having an edible, succulent, pungent bulb.

2. any of certain similar plants.

3. the bulb of the onion plant.

4. the flavor or odor of this bulb.

5. Slang. a person: He's a tough onion.

6. know one's onions , Slang. to know one's subject or business thoroughly; be capable or proficient.


7. containing or cooked with onions: onion soup.

8. of, pertaining to, or resembling an onion.

[ 1325-75; ME onyon oignon union- (s. of unio ) a unity, large pearl, onion; see UNION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .