Stopper
Nouns
- stopper, stopple
- plug, cork, bung, spike, spill, stopcock, tap
- rammer
- ram, ramrod
- piston
- stop-gap
- wadding, stuffing, padding, stopping, dossil, pledget, tompion, tourniquet. cover etc. Covering
- valve, vent peg, spigot, slide valve. janitor, doorkeeper, porter, warder, beadle, cerberus, ostiary.