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Meaning of TREPAN

Pronunciation:  tri'pan

WordNet Dictionary
  1. [n]  a drill for cutting circular holes around a center
  2. [n]  a surgical instrument used to remove sections of bone from the skull
  3. [v]  cut a hole with a trepan; in surgery

TREPAN is a 6 letter word that starts with T.


 Synonyms: trephine
 See Also: bore, drill, drill, surgical instrument



Webster's 1913 Dictionary
  1. \Tre*pan"\, n. [F. tr['e]pan (cf. Sp. tr['e]pano, It.
    trepano, trapano), LL. trepanum, fr. Gr. ? a borer, auger,
    trepan, fr. ? to bore, ? a hole. Cf. {Trephine}.]
    1. (Surg.) A crown-saw or cylindrical saw for perforating the
       skull, turned, when used, like a bit or gimlet. See
    2. (Mining) A kind of broad chisel for sinking shafts.
  2. \Tre*pan"\, v. t. & i. [imp. & p. p. {Trepanned}; p. pr.
    & vb. n. {Trepanning}.] [Cf. F. tr['e]paner. See {Trepan} a
    saw.] (Surg.)
    To perforate (the skull) with a trepan, so as to remove a
    portion of the bone, and thus relieve the brain from pressure
    or irritation; to perform an operation with the trepan.
  3. \Tre*pan"\, n. [See {Trapan}.]
    1. A snare; a trapan.
             Snares and trepans that common life lays in its way.
    2. a deceiver; a cheat.
             He had been from the beginning a spy and a trepan.
  4. \Tre*pan"\, v. t.
    To insnare; to trap; to trapan.
          Guards even of a dozen men were silently trepanned from
          their stations.                          --De Quincey.