STOPPER
Stop"per, v. t. [imp. & p. p. Stoppered; p. pr. & vb. n. Stoppering.]
Defn: To close or secure with a stopper.
STOPPING
Stop"ping, n.
1. Material for filling a cavity.
2. (Mining)
Defn: A partition or door to direct or prevent a current of air.
3. (Far.)
Defn: A pad or poultice of dung or other material applied to a horse's hoof to keep it moist. Youatt.
STOPPING-OUT
Stop"ping-out`, n.
Defn: A method adopted in etching, to keep the acid from those parts which are already sufficiently corroded, by applying varnish or other covering matter with a brush, but allowing the acid to act on the other parts.