noun
or reentrant angle
: an angle pointing inward ; specifically : an angle in a line of troops or of fortifications with its apex turned away from the enemy — opposed to salient angle
noun
or reentrant angle
: an angle pointing inward ; specifically : an angle in a line of troops or of fortifications with its apex turned away from the enemy — opposed to salient angle
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012