also court-martial
(~s, ~ling, ~led)
Note: The spellings '~ing' and '~ed' are used in American English; 'courts martial' is also used as a plural form for the noun.
1.
A ~ is a trial in a military court of a member of the armed forces who is charged with breaking a military law.
He is due to face a court-martial on drugs charges...
He was arrested, tried by ~ and shot.
N-VAR
2.
If a member of the armed forces is ~led, he or she is tried in a military court.
I was court-martialled and sentenced to six months in a military prison.
VERB: usu passive, be V-ed