Lĕg'er-de-māin', n.

n. [Fr. léger, light, nimble, de, of, and main, Lat. manus, hand. See infra.] A deceptive performance which depends on dexterity of hand; a trick performed with such art and adroitness, that the manner or art eludes observation; sleight of hand; trick; deception. “The tricks and legerdemains by which men impose upon their own souls.” South.