Bible Dictionaries
Chatter Mark

Webster's Dictionary

(1):

A short crack on a rock surface planed smooth by a glacier.

(2):

One of the fine undulations or ripples which are formed on the surface of work by a cutting tool which chatters.

Bibliography Information
Webster, Noah. Entry for 'Chatter Mark'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/chatter-mark.html. 1828.