Definition of thenar in English:


Syllabification: the·nar
Pronunciation: /ˈTHēnär


  • Relating to the rounded fleshy part of the hand at the base of the thumb (the ball of the thumb).
    More example sentences
    • The nerve also supplies a branch to the muscles of the thumb, the thenar muscles.
    • Shaking the patient's hand at the end of the consultation, the doctor noticed a raised lesion on the thenar eminence of his right hand.
    • Wasting of the thenar muscle occurs in under 10% of cases.


mid 17th century: from Greek, literally 'palm of the hand, sole of the foot'.

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a slit made by cutting with a saw