Source : Webster's Revised Unabridged Dictionary (1913)

Basil \Bas"il\, n. [F. basilic, fr. L. badilicus royal, Gr. ?,
   fr. ? king.] (Bot.)
   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 thyme}, a name given to the fragrant herbs {Calamintha
      Acinos} and {C. Nepeta}.

   {Wild basil}, a plant ({Calamintha clinopodium}) of the Mint
      family.

Calamint \Cal"a*mint\ (-m[i^]nt), n. [OE. calamint, calemente
   (cf. F. calament) fr. L. calamintha, Gr. kalami`nqh,
   kala`minqos. See 1st {Mint}.] (Bot.)
   A genus of perennial plants ({Calamintha}) of the Mint
   family, esp. the {C. Nepeta} and {C. Acinos}, which are
   called also {basil thyme}.