/left"hand"/ , adj.
1. on or to the left: a left-hand turn at the intersection.
2. of, for, or with the left hand.
3. Building Trades.
a. (of a door) having the hinges on the left 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 left when seen from inside the window.
[ 1150-1200; ME ]