onion_plant
1. [ noun ] (botany) bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
Synonyms: Allium_cepa onion
Related terms: alliaceous_plant tree_onion shallot Welsh_onion red-skinned_onion onion isothiocyanate
Similar spelling:   onion_bread
  onion_bagel
  onion_butter