Michael

Michael, an archangel, the leader of the heavenly host, at never-ending war with the devil and his angels in their arrogance of claim; is represented in art as clad in armour, with a sword in one hand and a pair of scales in the other to weigh the souls of men at the judgment. Festival, September 20.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)