[sign] The term drumhead refers to a type of removable sign that was prevalent on North American railroads of the first half of the 20th century. The sign was mounted at the rear of passenger trains, and consisted of a box with internal illumination that shone through a tinted panel bearing the logo of the railroad or specific train. Since ... Found on http://en.wikipedia.org/wiki/Drumhead_(sign)
• (n.) The top of a capstan which is pierced with sockets for levers used in turning it. See Illust. of Capstan. • (n.) The parchment or skin stretched over one end of a drum. Found on http://thinkexist.com/dictionary/meaning/drumhead/
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. Drumhead court-martial, 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: Websters Dic... Found on http://www.encyclo.co.uk/local/20973
Drum'head` noun 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... Found on http://www.encyclo.co.uk/webster/D/126