'Drumhead court-martial' definitions:

Definition of 'drumhead court-martial'

(from WordNet)
noun
A military court convened to hear urgent charges of offenses committed in action

Definition of 'Drumhead court-martial'

From: GCIDE
  • Drumhead \Drum"head`\, n.
  • 1. The parchment or skin stretched over one end of a drum. [1913 Webster]
  • 2. The top of a capstan which is pierced with sockets for levers used in turning it. See Illust. of Capstan. [1913 Webster]
  • Drumhead court-martial (Mil.), a summary court-martial called to try offenses on the battlefield or the line of march, when, sometimes, a drumhead has to do service as a writing table. [1913 Webster]