DRUMHEAD
drumhead, summary
(adjective) performed speedily and without formality; “a summary execution”; “summary justice”
drumhead, head
(noun) a membrane that is stretched taut over a drum
Source: WordNet® 3.1
Etymology
Noun
drumhead (plural drumheads)
Alternative spelling of drum head
Source: Wiktionary
Drum"head`, n.
1. The parchment or skin stretched over one end of a drum.
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.
Source: Webster’s Unabridged Dictionary 1913 Edition