• synonyms


[al-ee-uh m]
  1. any bulbous plant belonging to the genus Allium, of the amaryllis family, having an onion odor and flowers in a round cluster, including the onion, leek, shallot, garlic, and chive.
  2. a substance occurring in garlic bulbs that has antibiotic properties.
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Origin of allium

1800–10; < New Latin, Latin: garlic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for allium


  1. any plant of the genus Allium, such as the onion, garlic, shallot, leek, or chive: family Alliaceae
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Word Origin for allium

C19: from Latin: garlic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012