DRUMHEAD

Drum″head′ (?), n. 1. 1. The parchment or skin stretched over one end of a drum.
2. 2. The top of a capstan which is pierced with sockets for levers used in turning it. See Illust. of Capstan.
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.