Entry 2 senses · 2 variants Webster, 1913 Pitter · Pit·ter · IPA n. v. i. 01 n. A contrivance for removing the pits from peaches, plums, and other stone fruit. 1. A contrivance for removing the pits from peaches, plums, and other stone fruit. 02 v. i. To make a pattering sound; to murmur; as, pittering streams. 1. To make a pattering sound; to murmur; as, pittering streams.[Obs.]