'Right Hand' in the Bible

When the three companies sounded their trumpets and broke the jars, they held the torches in their left hands and sounded their trumpets with their right hands. Then they cried out, "A sword for the LORD and for Gideon!"

Then Samson grabbed the two middle pillars upon which the house rested and braced himself against them with one pillar in his right hand and the other in his left.