Cal"lot (?), n. A plant coif or skullcap. Same as Calotte. B. Jonson.

{ ||Ca*lotte" (?), Cal"lot (?) }, n. [F. calotte, dim. of cale a sort of flat cap. Cf. Caul.] A close cap without visor or brim. Especially: (a) Such a cap, worn by English serjeants at law. (b) Such a cap, worn by the French cavalry under their helmets. (c) Such a cap, worn by the clergy of the Roman Catholic Church.

To assume the calotte, to become a priest.