say it: lahy-GAY-shuhn
ligation is a noun meaning "(surgery) tying a duct or blood vessel with a ligature (as to prevent bleeding during surgery)". It carries one recorded sense.
(surgery) tying a duct or blood vessel with a ligature (as to prevent bleeding during surgery)
surgery
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for ligation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.