Definition of incision noun from the Oxford Advanced American Dictionary

 

incision

 noun
noun
NAmE//ɪnˈsɪʒn//
 
[countable, uncountable]
 
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a sharp cut made in something, particularly during a medical operation; the act of making a cut in something Make a small incision below the ribs.
See the Oxford Advanced Learner's Dictionary entry: incision