Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Alliaceous \Al`li*a"ceous\, a.
Of or pertaining to the genus {Allium}, or garlic, onions,
leeks, etc.; having the smell or taste of garlic or onions.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
alliaceous
adj 1: of or pertaining to the botanical genus Allium; "onions,
leeks, garlic, chives are alliaceous plants"
2: smelling of onions or garlic