A chamfer or is a transitional edge between two faces of an object. Sometimes defined as a form of bevel, it is often created at a 45° angle between two adjoining right-angled faces.

What was a Chamfrain used for?

cham·fron. A piece of armor used to protect the front of a horse's head in late medieval times.

What does Chamfron mean?

: the headpiece of a horse's bard.