Instead of trying to come up with a genuine definition that is not copied or rephrased from primary sources (like the dictionary), I will simply provide you with a comprehensive list of definitions to allow for the fullest understanding of the word ‘Star of David’.
WORD: Star of David
DEFINITION: Six-Pointed Hexagram made with two equilateral
triangles. Symbol for Judaism also used by Christian and Muslims for
SYNONYMS : Magen David, Mogen David, Shield of David, Solomon’s
seal, estoile, hexagon, hexagram, hexahedron, Jewish star, Magen
David, Star of Bethlehem
FIRST KNOWN USE: circa 1936 ( Merriam-webster.com)