'Salient angle' definitions:

Definition of 'salient angle'

noun

An angle pointing outward; an interior angle of a polygon that is less than 180 degrees [ant: reentering angle, reentrant angle]

From: GCIDE

Salient \Sa"li*ent\, a. [L. saliens, -entis, p. pr. of salire to leap; cf. F. saillant. See Sally, n. & v. i..]
1. Moving by leaps or springs; leaping; bounding; jumping. "Frogs and salient animals." --Sir T. Browne. [1913 Webster]
2. Shooting out or up; springing; projecting. [1913 Webster]
He had in himself a salient, living spring of generous and manly action. --Burke. [1913 Webster]
3. Hence, figuratively, forcing itself on the attention; prominent; conspicuous; noticeable. [1913 Webster]
He [Grenville] had neither salient traits, nor general comprehensiveness of mind. --Bancroft. [1913 Webster]
4. (Math. & Fort.) Projecting outwardly; as, a salient angle; -- opposed to reentering. See Illust. of Bastion. [1913 Webster]
5. (Her.) Represented in a leaping position; as, a lion salient. [1913 Webster]
Salient angle. See Salient, a., 4.
Salient polygon (Geom.), a polygon all of whose angles are salient.
Salient polyhedron (Geom.), a polyhedron all of whose solid angles are salient. [1913 Webster]