bre·vet (brə-vět', brěv'ĭt) n. A commission promoting a military officer in rank without an increase in pay. tr.v.
bre·vet·ted or bre·vet·ed, bre·vet·ting or bre·vet·ing, bre·vets To promote by brevet.
[Middle English, official letter, from Anglo-Norman, diminutive of bref, letter, from Latin brevis, short; see brief.] bre·vet'cy (brə-vět'sē) n.