The Collaborative International Dictionary
Reentering polygon
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 polygon
n. a polygon with one or more reentrant angles [syn: reentrant polygon]