Chamfering is ____.

A) the rounding of a corner
B) the lengthening of a shaft
C) the cutting of a groove
D) the addition of material to a part

Chamfering

The process of creating a beveled edge at the intersection of two surfaces to remove sharp edges for safety, aesthetics, or part assembly.

Groove

A long, narrow cut or depression in a hard material, often used to fit another component or allow the passage of fluids.