[chatter mark] n (1888) 1: a fine undulation formed on the surface of work by a chattering tool
2: one of a series of short curved cracks on a glaciated rock surface transverse to the glacial striae
[chatter mark] n (1888) 1: a fine undulation formed on the surface of work by a chattering tool
2: one of a series of short curved cracks on a glaciated rock surface transverse to the glacial striae
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012