1. the hand that is on the right side, or the side opposite that where the heart is.
2. the right side, as of a person, esp. this side considered as the side of precedence or courtesy.
3. a position of honor or special trust.
4. an extremely efficient or reliable person or, sometimes, tool, esp. a person considered as one's assistant.
Pronunciation: (rīt'hand'), [key]
1. on the right.
2. of, for, or with the right hand.
3. most reliable, valuable, or useful, as a helper or assistant.
5. Also,right-handed. Building Trades.
a. (of a door) having the hinges on the right when seen from the exterior of the building, room, closet, etc., to which the doorway leads.
b. (of a casement sash) having the hinges on the right when seen from inside the window.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.