obturate
/ɒbˈtʊəreɪt/Definitions
1. verb
to stop the flow of a fluid, such as blood or air, by blocking an opening or passage
“The surgeon had to obturate the patient’s airway to prevent further bleeding.”
2. noun
a substance used to stop the flow of a fluid, such as a plug or a sealant
“The dentist used a obturate to fill the cavity and prevent further decay.”