breed of domestic cat (cat, domestic) noted for the quality of its short, plushlike coat. Characteristically a quiet and gentle cat, the Russian Blue is a solidly coloured, blue-gray cat with round, green eyes and soft, silky fur that resembles sealskin in texture. A fine-boned cat with long, slim legs and a slender body, it has a relatively long, tapering tail and a wedge-shaped head. The ears are large, broad at the base, and pointed at the tips.