Stoppers

noun

1. Agent noun of stop, 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.

   "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.

   "Cattle futures: spillover momentum plus evidence of a strong stopper (i.e., 96 loads demanded) should kick the opening higher."