Dictionary
pen•ta•gram
Pronunciation: (pen'tu-gram"), [key]—
n.
a five-pointed, star-shaped figure made by extending the sides of a regular pentagon until they meet, used as an occult symbol by the Pythagoreans and later philosophers, by magicians, etc. Also called
pentacle, pentangle, pentalpha. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.