noun 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.
adjective 6.containing or cooked with onions: onion soup.
7.of, pertaining to, or resembling an onion.
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Know one's onions
is always a great word to know.
So is bezoar. Does it mean:
So is ninnyhammer. Does it mean:
So is quincunx. Does it mean:
Idiom8.know one's onions, Slang. to know one's subject or business thoroughly; be capable or proficient.