From WordNet (r) 2.0 (August 2003) [wn]:
garlic
n 1: bulbous herb of southern Europe widely naturalized; bulb
breaks up into separate strong-flavored cloves [syn:
Allium sativum]
2: aromatic bulb used as seasoning [syn: ail]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Garlic \Gar"lic\, n. [OE. garlek, AS. g[=a]rle['a]c; gar spear,
lance + le['a]c leek. See Gar, n., and Leek.]
1. (Bot.) A plant of the genus Allium (A. sativum is the
cultivated variety), having a bulbous root, a very strong
smell, and an acrid, pungent taste. Each root is composed
of several lesser bulbs, called cloves of garlic, inclosed
in a common membranous coat, and easily separable.
[1913 Webster]
2. A kind of jig or farce. [Obs.] --Taylor (1630).
[1913 Webster]
Garlic mustard, a European plant of the Mustard family
(Alliaria officinalis) which has a strong smell of
garlic.
Garlic pear tree, a tree in Jamaica ({Crat[ae]va
gynandra}), bearing a fruit which has a strong scent of
garlic, and a burning taste.
[1913 Webster]