'Drumhead' definitions:

Definition of 'drumhead'

adjective

Performed speedily and without formality; "a summary execution"; "summary justice" [syn: drumhead, summary]

noun

A membrane that is stretched taut over a drum [syn: drumhead, head]

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]