- drum, membranophone, tympan - a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretch across each end
--1 is a kind of percussion instrument, percussive instrument
--1 has parts: drumhead, head
--1 has particulars:bass drum, gran casa; bongo, bongo drum; snare drum, snare, side drum; tabor, tabour; tambour; tambourine; tenor drum, tom-tom; timbrel