pentagram

Definition

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; a 5/2 (or 5/3) star polygon.

Etymology

From Ancient Greek πεντάγραμμον (pentágrammon), noun form of the adjectives πεντάγραμμος (pentágrammos) and πεντέγραμμος (pentégrammos, “five-lined, having five lines”). Equivalent to penta- + -gram.

Example Sentences

• "Prove that the circles so belonging to the 6 pentagrams formed by 6 lines meet in a point, and so on; the series of theorems being interminable."
• "The passive pentagrams of spirit are drawn first in the quarters of the passive elements—water and earth—and likewise followed by the appropriate traditional elemental pentagram."
• "Four figures involve 12 pentagrams arranged as in the faces of a dodecahedron with their vertices touching."