A name somewhat loosely applied to the central and chief mountain system of Scotland, which stretches E. and W. right across the country, with many important offshoots running N. and S.; the principal heights are Ben Nevis (4406 ft), Ben Macdhui (4296 ft.), Cairntoul (4200 ft.). 2, A range of mountains in the W. of Victoria, Australia, highest elevation 5600 ft.