obturate /obˈtū-rāt/

To stop up

obturāˈtion noun

1. Stopping up
2. Stopping of a hole to prevent the escape of gas (gunnery)

obˈturātor noun

1. A structure or device that closes a cavity
2. The structures closing a large opening in the hip bone (anatomy)

• RoSPA
• rosser
• rost
• rostellar
• rostellate
• rostellum
• rostellums
• roster
• rostered
• rostering
• rosterings
• rosters
• rostra
• rostral
• rostrate
• rostrated
• rostrocarinate
• rostrocarinates
• rostrum
• rostrums
• rosula
• rosulas
• rosulate
• rosy
• rosy-bosomed