Definitions for handednessˈhæn dɪd nɪs
Random House Webster's College Dictionary
hand•ed•nessˈhæn dɪd nɪs(n.)
a tendency to use one hand more than the other.
Origin of handedness:
the property of using one hand more than the other
The property that distinguishes an asymmetric object from its mirror image. For example, the essential difference between a left and right glove.
A preference for using one hand rather than the other.