Brevet (noun)

A commission in the armed forces that temporarily promotes an officer to a higher rank without an increase in pay or duties.

Origin:

The word "brevet" comes from the french word "brevet" which means a warrant or commission.

Examples:

1. He received a brevet promotion to the rank of colonel.
2. The brevet system was used extensively during the American Civil War.
3. The brevet promotions were made in recognition of his services during the war.
4. The brevet system was abolished in the U.S. Army in 1872.
5. He was brevetted a general for gallant and meritorious services.