noun
Etymology: Middle English, from Old English riht hond, riht hand
1.
a. : the hand on a person's right side
b. : the hand of greeting, welcome, or friendship
c. : a reliable or indispensable person : a useful or efficient helper
indispensable as the right hand and instrument of the gods — George Grote
2.
a. : the right side : the direction toward the right
b. : a place of honor or precedence
sitteth on the right hand of God — Book of Com. Prayer