- a court consisting of military or naval personnel appointed by a commander to try charges of offenses by soldiers, sailors, etc., against military or naval law.
- a trial by such a court.
- a conviction by such a court: He lost his privileges because of his court-martial.
- a session of such a court: He attended the court-martial this morning.
- to arraign and try by court-martial.
- a military court that tries persons subject to military law
- to try by court martial