The Collaborative International Dictionary
Thenar \The"nar\, n. (Anat.)
The palm of the hand.
The prominence of the palm above the base of the thumb; the thenar eminence; the ball of the thumb. Sometimes applied to the corresponding part of the foot.
Thenal \The"nal\, Thenar \The"nar\, a. [NL., fr. Gr. ?.] (Anat.) Of or pertaining to the thenar; corresponding to thenar; palmar.
n. 1 (context archaic English) the palm of the hand or sole of the foot 2 the ball of the thumb, or the muscle controlling it
Usage examples of "thenar".
Mom was never interested solely in the heart line, head line, and lifelines, but equally in the anatomical snuffbox, the interdigital pads, the heel of the hand, the thenar eminence, and the hypothenar.
Also, there's a couple of lacerations on the left wrist and slight contusions on the thenar eminence, indicating that a bracelet may have been forcibly pulled over her hand.