The Collaborative International Dictionary
Reentering angle
Reenter \Re*["e]n"ter\, v. i. To enter anew or again.
Re["e]ntering angle, an angle of a polygon pointing inward, as a, in the cut.
Re["e]ntering polygon, a polygon having one or more re["e]ntering angles.
WordNet
reentering angle
n. an interior angle of a polygon that is greater than 180 degrees [syn: reentrant angle] [ant: salient angle]