thenarPronunciation: /ˈθiːnə/Definition of thenar adjective Anatomy relating to the rounded fleshy part of the hand at the base of the thumb (the ball of the thumb): the muscles of the thenar eminenceOrigin: mid 17th century: from Greek, literally 'palm of the hand, sole of the foot'thenar in other Oxford dictionaries Definition of thenar in the US English dictionary
