stopper

1. Someone or something that stops something.
2. A type of knot at the end of a rope, to prevent it from unravelling. · Put a stopper in the knot.
3. A bung or cork. · We need a stopper or the boat will sink.
4. Goalkeeper. (informal) · He's the number one stopper in the country.
5. In the commodity futures market, someone who is long (owns) a futures contract and is demanding delivery because they want to take possession of the deliverable commodity. (slang) · Cattle futures: spillover momentum plus evidence of a strong stopper (i.e., 96 loads demanded) should kick the opening higher.
6. A train that calls at all or almost all stations between its origin and destination, including very small ones.
7. Any of several trees of the genus Eugenia, found in Florida and the West Indies.
8. A short rope for making something fast.

Plural stoppers