'Shield of David' definitions:

Definition of 'Shield of David'

(from WordNet)
noun
A six-pointed star formed from two equilateral triangles; an emblem symbolizing Judaism [syn: Star of David, Shield of David, Magen David, Mogen David, Solomon's seal]

Definition of 'Shield of David'

From: GCIDE
  • Star of David \Star" of Dav"id\ A symbol consisting of two overlapped equilateral triangles forming a star with six points, used as a symbol of Judaism. It is also called Magen David, Mogen David, and {Shield of David}, and is shaped identically to the hexagram and Solomon's seal. It is used on the flag of the modern state of Israel. [PJC]