• synonyms


[ al-ee-ey-shuh s ]
/ ˌæl iˈeɪ ʃəs /


Botany. belonging to the genus Allium (formerly the family Alliaceae).Compare allium.
having the odor or taste of garlic, onion, etc.

Nearby words

allhallowmas, allhallows, allhallows eve, allhallowtide, allheal, alliaceous, alliance, alliance for progress, allied, allied health, allier

Origin of alliaceous

1785–95; < Latin alli(um) garlic + -aceous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for alliaceous


/ (ˌælɪˈeɪʃəs) /


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
tasting or smelling like garlic or onions
of, relating to, or belonging to the Alliaceae, a family of flowering plants that includes the genus Allium

Word Origin for alliaceous

C18: from Latin allium garlic; see -aceous
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