Puma concolor, a wild feline native to the Americas.

plural of cougar

(Canada, US, slang) The seeking of casual, often sexual, companionship of younger males by an older woman.

plural of Cougar

(slang) A student or alumnus of the Washington State University.

(Canada, US, slang, rare) The quality of being a cougar (older woman who seeks relationships with younger males).

Resembling or characteristic of a cougar.

Resembling or characteristic of a cougar, or sexually predatory woman.

(Canada, US, slang, rare) The condition of being a cougar (older woman who seeks relationships with younger males).