adjective.
Anatomically located far from a point of reference, such as an origin or a point of attachment.
adjective.
Situated farthest from the middle and front of the jaw, as a tooth or tooth surface.
The Century Dictionary and Cyclopedia
In anatomy, situated away from the center of the body; being at the end; terminal; peripheral: the opposite of proximal: as, the distal end of a limb, a bone, or other part or organ.
the GNU version of the Collaborative International Dictionary of English
adjective.
Remote from the point of attachment or origin