'Incision' definitions:

Definition of 'incision'

From: WordNet
noun
A depression scratched or carved into a surface [syn: incision, scratch, prick, slit, dent]
noun
The cutting of or into body tissues or organs (especially by a surgeon as part of an operation) [syn: incision, section, surgical incision]

Definition of 'Incision'

From: GCIDE
  • Incision \In*ci"sion\, n. [L. incisio: cf. F. incision. See Incise.] [1913 Webster]
  • 1. The act of incising, or cutting into a substance; specifically: (Med.) the cutting action made during surgery to gain access to the body parts under the skin. --Milton. [1913 Webster +PJC]
  • 2. That which is produced by incising; the separation of the parts of any substance made by a cutting or pointed instrument; a cut; a gash; specifically (Med.) the cut in the skin made during surgery to gain access to the interior of the body. [1913 Webster +PJC]
  • 3. Separation or solution of viscid matter by medicines. [Obs.] [1913 Webster]