Bible Dictionaries
Pitter-Patter

Webster's Dictionary

(1):

(adv.) With, or with the sound of, alternating light beats; as, his heart went pitter-patter.

(2):

(n.) A sound like that of alternating light beats. Also, a pattering of words.

Bibliography Information
Webster, Noah. Entry for 'Pitter-Patter'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pitter-patter.html. 1828.