WordWeb Online

1. A series of rapid tapping sounds
   "she missed the pitter-patter of little feet around the house"

1. As of footsteps
   - pit-a-pat, pitty-patty, pitty-pat
    
2. Describing a rhythmic beating
   "his heart went pitter-patter"
   - pit-a-pat, pitty-patty, pitty-pat

1. Rain gently
   "It has only pitter-pattered, but the roads are slick"
   - sprinkle, spit [Brit], spatter, patter
    
2. Make light, rapid and repeated sounds
   "gently pitter-pattering rain"
   - patter

Derived forms: pitter-pattering, pitter-pattered, pitter-patters

Type of: go, pat, rain, rain down, rap, sound, tap