I. noun
( -es )
1. : the quality or state of being handed
2. : a tendency to use one hand rather than the other
a test for handedness
II. noun
1.
a. : the property of an object (as a molecule) of not being identical with its mirror image
b. : either of two configurations of an object that may exist in forms which are nonidentical mirror images
2. : the property of having either a clockwise or counterclockwise structure (as the coiling of a snail shell) or motion (as the corkscrew movement of some microorganisms or their flagella or cilia)