Definition of point angle in US English:

point angle

noun

  • The angle at a vertex of a solid body; specifically (a) the angle between two diametrically opposite edges or surfaces at the tip of a tool; (b) Dentistry the angle formed at the junction of three tooth surfaces or three cavity walls.

Origin

Mid 19th century; earliest use found in Charles Boutell (1812–1877), writer on heraldry and antiquities. From point + angle.

Pronunciation

point angle

/ˈpɔɪnt ˌaŋɡl/