onion
onion definition
on·ion (un′yən)
noun
- a plant (Allium cepa) of the lily family, having an edible bulb with a strong, sharp smell and taste
- the bulb of this plant, formed of close, concentric layers of leaf bases
- any of various related plants
Etymology: ME oynon < OFr oignon < L unio (gen. unionis), oneness, unity, also a kind of single onion: see union
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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