Definition of thenar in English:

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Pronunciation: /ˈθiːnə/


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 eminence
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'.

For editors and proofreaders

Line breaks: the¦nar

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