Meaning of trephine in English:


Pronunciation /trɪˈfʌɪn/ /trɪˈfiːn/

Translate trephine into Spanish


  • A hole saw used in surgery to remove a circle of tissue or bone.

    ‘The bone marrow aspirate was similar to the trephine, with 15% of blasts showing monocytoid differentiation together with an absolute monocytosis and mild dyserythropoiesis.’
    • ‘An instrument that acts like a cookie cutter, called a trephine, cuts a precise circular shape.’
    • ‘In 2 cases, a bone marrow trephine biopsy was also available for examination.’
    • ‘The only difference in processing of the BM core and clot was decalcification of the trephine core biopsy.’
    • ‘The instrument for this is still called a trephine.’


[with object]
  • Operate on with a trephine.

    • ‘The invention relates to a method and apparatus for trephining corneal tissue in preparation for keratoplasty.’


Early 17th century from Latin tres fines ‘three ends’, apparently influenced by trepan.