Bella-donna.—The deadly nightshade; fair lady.

Belles-lettres.—Polite literature.

Bellum internecinum.—A war of extermination.

Bellum lethale.—A deadly war.

Bene placito.—At pleasure. (Music.)

Benigno numine.—-By the favour of Providence.

Ben trovato.—Well found; an ingenious solution.

Billet-doux.—A love-letter.

Bis dat qui citò dat.—He gives twice who gives promptly.

Bis peccare in bello non licet.—To blunder twice is not allowed in war.