obturation
noun
ob·tu·ra·tion ˌäb-tyə-ˈrā-shən 
-tə-
: obstruction, closure
obturate
ˈäb-tyə-ˌrāt
transitive verb -tə-
Word History
Etymology
Latin obturation-, obturatio, from obturare to obstruct
First Known Use
1610, in the meaning defined above
Medical Definition
obturation
noun
ob·tu·ra·tion ˌäb-t(y)ə-ˈrā-shən
: obstruction of a bodily passage
intestinal obturation