percussion instrument

from WordNet (r) 3.0 (2006)

percussion instrument
    n 1: a musical instrument in which the sound is produced by one
         object striking another [syn: {percussion instrument},
         {percussive instrument}]

from The Collaborative International Dictionary of English v.0.48

percussion instrument \per*cus"sion in"stru*ment\
   (p[~e]r*k[u^]sh"[u^]n [i^]n"str[u^]*m[e^]nt), n.
   A musical instrument which is played by striking, as a drum,
   cymbal, or xylophone.
   [PJC]

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