a. [f. L. alli-um garlic + -ACEOUS.] a. Of or pertaining to the botanical genus Allium, including garlic, onions, leeks, etc. b. Having the smell or taste of garlic and onions.
1792. Phil. Trans., LXXXII. 303. It had, like the rest of the powder in the tube, an alliaceous smell.
1818. Accum, Chem. Tests, 162. The alliaceous odour peculiar to arsenic.
1828. Kirby & Spence, Entomol., II. xxi. 240. Many wild bees are distinguished by their pungent alliaceous smell.
1861. E. Lankester, Food, 267. All belong to the same genus allium, hence we call them alliaceous plants.
