reentering angle

noun

, Geometry.

1. an interior angle of a polygon that is greater than 180°.

Word History and Origins

Origin of reentering angle¹

First recorded in 1690–1700

Example Sentences

A central circle on the face contains a shield with a rampant lion, enamelled in blue; round it is a quatrefoil made by four larger circles which overlap at the reentering angle.

From Project Gutenberg

Vicksburg lies on the hills where the river forms a deep reentering angle.

From Project Gutenberg

Occasionally poles are seen extending across the reentering angles of a house or are supported on the coping and rafters.

From Project Gutenberg