pəˈkʌʃən n. 1 Mus. a (often attrib.)
the playing of
music by
striking instruments
with sticks etc. (a percussion band). b the
section of
such instruments in an
orchestra (asked the percussion to stay behind). 2
Med. the
act or an
instance of percussing. 3 the
forcible striking of
one esp.
solid body against another. øpercussion
cap a
small amount of
explosive powder contained in
metal or
paper and exploded by striking, used esp. in
toy guns and
formerly in
some firearms. øøpercussionist n. percussive adj. percussively adv. percussiveness n. [F percussion or L percussio (as PERCUSS)]