(Noun) 1) the ringing or sounding of bells.

2) a jingling or tinkling sound as if of bells.
In Context
“Adasiewicz’s score reflects the impressionistic quality Christopher describes, the tintinnabulation of his vibraphone echoed in silvery streaks of melody from Berman’s cornet and washes of sound from Drake’s percussion.”
 Howard Reich,, “Jason Adasiewicz creates a glistening film score,” November 2, 2017