Pronunciation: (rīt'han'did),[key] —adj. 1. having the right hand or arm more serviceable than the left; using the right hand by preference: a right-handed painter. 2. adapted to or performed by the right hand: a right-handed lever; right-handed penmanship. 3. Mach. a. rotating clockwise.
b. noting a helical, or spiral, member, as a gear tooth or screw thread, that twists clockwise as it recedes from an observer.
4. Building Trades.right-hand (def. 5).
—adv.Also,right'-hand'ed•ly. 1. in a right-handed manner or fashion: The door opens right-handed. 2. with the right hand: She writes right-handed. 3. toward the right hand or in a clockwise direction: The strands of the rope are laid right-handed.