Synonym for thenar ... <anatomy> Of or pertaining to the thenar; corresponding to thenar; palmar. ... Origin: NL, fr. Gr. ... <anatomy> 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. ... Source: Webster... Found on http://www.encyclo.co.uk/local/20973