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Noun: onion  ún-yun
  1. An aromatic flavourful vegetable, bulb of an onion plant with layered flesh covered by papery skin, having a strong characteristic smell and taste
    "He chopped onions for the base of the soup"; "Tears streamed down her face as she sliced the pungent onions"
     
  2. Bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
    "She planted rows of onions in her vegetable garden";
    - onion plant, Allium cepa

Derived forms: onions

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

Encyclopedia: Onion, Inc