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trepanning |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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.
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