#1 drum n. [membranophone, tympan] a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end. wn
#2 drum v. [beat, thrum] make a rhythmic sound; "Rain drummed against the windshield"; "The drums beat all night". wn
#3 drum n. the sound of a drum; "he could hear the drums before he heard the fifes". wn
#4 drum v. play a percussion instrument. wn
#5 drum n. [barrel] a bulging cylindrical shape; hollow with flat ends. wn
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