'Pentagram' definitions:

Definition of 'pentagram'

(from WordNet)
noun
A star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon [syn: pentacle, pentagram, pentangle]

Definition of 'Pentagram'

From: GCIDE
  • Pentagram \Pen"ta*gram\, n. [Gr. ?, neut. of ? having five lines. See Penta-, and -gram.] A pentacle or a pentalpha. "Like a wizard pentagram." --Tennyson. [1913 Webster] Pentagraphic