Pentagram
WordNet
noun
(1) A star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon
WiktionaryText
Etymology
From Greek πεντάγραμμον (pentagrammon), noun form of the adjectives πεντάγραμμος (pentagrammos) and πεντέγραμμος (pentegrammos), five-lined, having five lines.
Noun
- The shape of a five-pointed star constructed of five intersecting lines meeting at the vertices, such that a central pentagon and five surrounding isosceles triangles are formed; often with magical connotations.
- The shape of a five-pointed star.
- a 5/2 star polygon