catamountain UK /kætəˈmaʊntɪn/US /kætəˈmaʊnt(ə)n/ noun2 •[before a noun] A leopard, a panther (Panthera pardus); also, an ocelot (Leopardus pardalis).Goe, charge my Goblins that they grinde their ioynts / With dry Convultions, shorten vp their sinewes / With aged Cramps, & more pinch-spotted make them, / Than Pard, or Cat o' Mountaine. — 1610 •A man living in the mountains. formscatamountains