stopcock, tap; rammer†; ram, ramrod; piston; stop-gap; wadding,
stuffing, padding, stopping, dossil†, pledget†, tompion†, tourniquet.
cover &c 223; valve, vent peg, spigot, slide valve.
janitor, doorkeeper, porter, warder, beadle, cerberus, ostiary†.
SECTION IV.
MOTION