'Reentering polygon' definitions:

Definition of 'reentering polygon'

(from WordNet)
noun
A polygon with one or more reentrant angles [syn: reentrant polygon, reentering polygon]

Definition of 'Reentering polygon'

From: GCIDE
  • Reenter \Re*en"ter\, v. i. To enter anew or again. [1913 Webster]
  • Reentering angle, an angle of a polygon pointing inward, as a, in the cut.
  • Reentering polygon, a polygon having one or more reentering angles. [1913 Webster]