Definition of ligation noun from the Oxford Advanced Learner's Dictionary

 

ligation

 noun
noun
BrE BrE//lɪˈɡeɪʃn//
 
; NAmE NAmE//laɪˈɡeɪʃn//
 
[uncountable](medical)
 
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the act of tying up an artery (1) or other blood vessel or tube in the body, with a ligature