Meaning of polyhedral angle

pol'yhe'dral an'gle

Pronunciation: [key]
— Geom. Geom.
  1. a configuration consisting of the lateral faces of a polyhedron around one of its vertices. The portion of a pyramid including one of its points is such a configuration. See illus. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.