trepanning

1 definition found

trepanning - Collaborative International Dictionary of English v.0.48 :

  Trepan \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.
     [1913 Webster]