Using the right hand habitually, or more easily than the left. [1913 Webster]
Having the same direction or course as the movement of the hands of a watch seen in front; -- said of the motion of a revolving object looked at from a given direction. [1913 Webster]
Having the whorls rising from left to right; dextral; -- said of spiral shells. See Illust. of Scalaria. [1913 Webster]
Right-handed screw, a screw, the threads of which, like those of a common wood screw, wind spirally in such a direction that the screw advances away from the observer when turned with a right-handed movement in a fixed nut.
right-handed, adj.
1 using the right hand by preference as more serviceable than the left.
2 (of a tool etc.) made to be used with the right hand.
3 (of a blow) struck with the right hand.
4 a turning to the right; towards the right. b (of a screw) advanced by turning to the right (clockwise).