| Noun | 1. | drumhead - a membrane that is stretched taut over a drum drum, membranophone, tympan - a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end membrane - a thin pliable sheet of material |
| Adj. | 1. | drumhead - performed speedily and without formality; "a summary execution"; "summary justice" unofficial - not having official authority or sanction; "a sort of unofficial mayor"; "an unofficial estimate"; "he participated in an unofficial capacity" |