drum machine

noun

a device that simulates percussion sounds in various combinations and rhythms, and can alter digitally stored drum sounds or make digital recordings of drum sounds.

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British Dictionary definitions for drum machine

drum machine

noun

a synthesizer specially programmed to reproduce the sound of drums and other percussion instruments in variable rhythms and combinations selected by the musician; the resulting beat is produced continually until stopped or changed

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012