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Noun: onion  ún-yun
  1. Bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
    - onion plant, Allium cepa
  2. An aromatic flavourful vegetable
  3. The bulb of an onion plant

Derived forms: onions

Type of: alliaceous plant, bulb, veg [Brit, informal], vegetable, veggie [informal]

Encyclopedia: Onion, Inc