Meaning of DRUM in English
( n. )
An instrument of percussion, consisting either of a hollow cylinder, over each end of which is stretched a piece of skin or vellum, to be beaten with a stick; or of a metallic hemisphere (kettledrum) with a single piece of skin to be so beaten; the common instrument for marking time in martial music; one of the pair of tympani in an orchestra, or cavalry band.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012