onion plant

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WordNet Dictionary
	Definition:		[n]  bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
	Synonyms:		Allium cepa, onion
	See Also:		alliaceous plant, Allium ascalonicum, Allium cepa aggregatum, Allium cepa viviparum, Allium fistulosum, Allium haematochiton, Egyptian onion, eschalot, isothiocyanate, Japanese leek, multiplier onion, red-skinned onion, shallot, top onion, tree onion, Welsh onion