An additional name, or title; a name added to another, as expressive of some act, achievement; a surname.

Allusion of one word to another by sound. AGNUS CASTUS. A species of vitex, so called from the Gr. chaste, or from a negative, and seed, from its imagined virtue of preserving chastity. The Athenian ladies reposed on the leaves of this plant at the feast of Ceres. The Latin Castus, chaste, now added to the name, forms a duplication of the sense.