(1):
(n.) A commission giving an officer higher rank than that for which he receives pay; an honorary promotion of an officer.
(2):
(a.) Taking or conferring rank by brevet; as, a brevet colonel; a brevet commission.
(3):
(n.) A warrant from the government, granting a privilege, title, or dignity. [French usage].
(4):
(v. t.) To confer rank upon by brevet.