definition of
pit-a-pat

[1] #1 pit-a-pat r. [pitty-patty, pitty-pat, pitter-patter] as of footsteps; "he came running pit-a-pat down the hall". wn

[2] #2 pit-a-pat r. [pitty-patty, pitty-pat, pitter-patter] describing a rhythmic beating; "his heart went pit-a-pat". wn