tree onion

Definitions of tree onion
  1. noun
    type of perennial onion grown chiefly as a curiosity or for early salad onions; having bulbils that replace the flowers
    synonyms: Allium cepa viviparum, Egyptian onion, top onion
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    type of:
    Allium cepa, onion, onion plant
    bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
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