from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Located behind an axis of the body, as the lateral aspect of the lower leg or the medial aspect of the upper arm.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Situated behind any transverse axis in the body of an animal; caudal; posterior.
from the GNU version of the Collaborative International Dictionary of English
- adj. 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.
from The Century Dictionary and Cyclopedia
- Of or pertaining to, or situated upon, that side of the axis of either fore or hind limb of a vertebrate which is posterior when the limb is extended at a right angle to the long axis of the body: opposed to preaxial.
post- + axial (Wiktionary)