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Of or resembling onion, garlic, or similar plants of the genus Allium, particularly in taste and smell.

[Latin allium, garlic; see allium + -aceous.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Botany) of or relating to Allium, a genus of plants that have a strong onion or garlic smell and often have bulbs: family Alliaceae. The genus occurs in the N hemisphere and includes onion, garlic, leek, chive, and shallot
2. tasting or smelling like garlic or onions
3. (Botany) of, relating to, or belonging to the Alliaceae, a family of flowering plants that includes the genus Allium
[C18: from Latin allium garlic; see -aceous]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæl iˈeɪ ʃəs)

1. Bot. of or belonging to the genus Allium. Compare allium.
2. having the odor or taste of garlic, onion, etc.
[1785–95; < Latin alli(um) garlic + -aceous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.alliaceous - of or pertaining to the botanical genus Allium; "onions, leeks, garlic, chives are alliaceous plants"
phytology, botany - the branch of biology that studies plants
2.alliaceous - smelling of onions or garlicalliaceous - smelling of onions or garlic  
odorous - having odor or a characteristic odor; "odorous jasmine flowers"; "odorous garbage"; "fresh odorous bread"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.