Opposability

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Opposability \Op*pos`a*bil"i*ty\, n.
     The condition or quality of being opposable.
     [1913 Webster]
  
           In no savage have I ever seen the slightest approach to
           opposability of the great toe, which is the essential


           distinguishing feature of apes.          --A. R.
                                                    Wallace.
     [1913 Webster]