1. To make light, rapid and repeated sounds, as of rain; SYN. pitter-patter.
1. To recite prayers (as paternosters) rapidly or mechanically
2. To talk glibly and volubly
3. To speak or sing rapid-fire words in a theatrical performance

ETYM Cant or Colloq.
1. A quick succession of soft sounds.
2. Glib and rapid speech; esp., any form of rapid speech associated with the profession of comedians or salespeople.
3. (Archaic) The dialect or slang of a particular social group.