From Wiktionary, the free dictionary
bear spray (countable and uncountable, plural bear sprays)
- An aerosol spray containing capsaicin, used as a deterrent against aggressive bears.
2023 October 5, Leyland Cecco, “‘Bear attack bad’: final message of Canadian couple killed by grizzly”, in The Guardian[1], →ISSN:At least one canister of bear spray had been emptied and there was evidence they had tried to scare off the bear.