Webster's Revised Unabridged Dictionary · 1913

Cougar

Cougar (k??"g?r) , noun

[French couguar, from the native name in the South American dialects, cuguacuara, cuguacuarana.]

(Zoology) An American feline quadruped (Felis concolor), resembling the African panther in size and habits. Its color is tawny, without spots; hence writers often called it the American lion. Called also puma, panther, mountain lion, and catamount. See Puma.