- a compact, opaque, cryptocrystalline variety of quartz, usually colored red: often used in decorative carvings.
- a fine, hard stoneware introduced c1775 by Wedgwood, stained various colors by metallic oxides, with raised designs in white.
- a fellow; guy.
- a city in NW Alabama.
- a resort town in SW Alberta, in SW Canada, on the Athabasca River: headquarters for Jasper National Park.
- a male given name, form of Caspar.
- an opaque impure microcrystalline form of quartz, red, yellow, brown, or dark green in colour, used as a gemstone and for ornamental decoration
- a dense hard stoneware, invented in 1775 by Wedgwood, capable of being stained throughout its substance with metallic oxides and used as background for applied classical decoration
