Basil n. : The slope or angle to which the cutting edge of a tool, as a plane, is ground.

Basil v. t. : To grind or form the edge of to an angle.

Basil n. : The name given to several aromatic herbs of the Mint family, but chiefly to the common or sweet basil (Ocymum basilicum), and the bush basil, or lesser basil (O. minimum), the leaves of which are used in cookery. The name is also given to several kinds of mountain mint (Pycnanthemum).

Basil n. : The skin of a sheep tanned with bark.

Example:
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Taxonomy
Basil, plant, herb, flavour, scent, stem, basil leaves, flowers, seeds, essential oil, Ocimum basilicum, pot, unranked, sweet basil, free encyclopedia, Thai basil, herbs and spices, India.

Defination from the web:
Basil (Ocimum basilicum) (pronounced /ˈbæzəl/ or /ˈbeɪzəl/), of the Family Lamiaceae (mints), is a tender low-growing herb. Basil is a culinary herb prominently featured in Italian cuisine, and also plays a major role in the Southeast Asian cuisines of Thailand, Vietnam, Cambodia, and Laos. ...