1. (Science: botany) 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.
2. A kind of jig or farce. 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 (Crataeva gynandra), bearing a fruit which has a strong scent of garlic, and a burning taste.