[ kawrt-mahr-shuh l, -mahr-, kohrt- ]
/ ˈkɔrtˌmɑr ʃəl, -ˈmɑr-, ˈkoʊrt- /

noun, plural courts-mar·tial, court-mar·tials.

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.

verb (used with object), court-mar·tialed, court-mar·tial·ing or (especially British) court-mar·tialled, court-mar·tial·ling.

to arraign and try by court-martial.

Origin of court-martial

First recorded in 1565–75; earlier martial court Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for court-martial