/pit"euhr pat"euhr/ , n.
1. the sound of a rapid succession of light beats or taps, as of rain, footsteps, etc.
v.i.
2. to produce or move with this sound: She pitter-pattered along the hallway.
adv.
3. with such a sound: to run pitter-patter through the house.
[ 1400-50; late ME: a babbled prayer; perh. imit. ]