Meaning of DRUM in English

DRUM

( 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.