'Postaxial' definitions:

Definition of 'Postaxial'

From: GCIDE

Postaxial \Post*ax"i*al\, a. [Pref. post- + axial.] (Anat.) Situated behind any transverse axis in the body of an animal; caudal; posterior; especially, behind, or on the caudal or posterior (that is, ulnar or fibular) side of, the axis of a vertebrate limb. [1913 Webster]