catamount/ˈkætəmaʊnt/EtymologyClipping of catamountain (“leopard, panther; ocelot; man living in the mountains”), from Late Middle English catamountain, from Middle English catte of the mountayne, cate of þe mounttaynne (“leopard, panther”).catamount means A wild animal of the family Felidae, especially the cougar, mountain lion or puma (Puma concolor). Lexicurio rates it Rare gem — a strength score of 79 out of 100.catamount is pronounced /ˈkætəmaʊnt/.nounA wild animal of the family Felidae, especially the cougar, mountain lion or puma (Puma concolor).“Uncle Charley's voice was very soft and there was a weary note in it. "Great snarlin' catamounts, but I'm tired."”Synonym of catamountain (“a leopard, a panther (Panthera pardus)”).