- one of the Channel Islands in the English Channel. 3 sq. mi. (8 sq. km).
- any of several breeds of cattle raised originally in the Channel Islands, as the Jersey or Guernsey.
- one of the Channel Islands, in the English Channel: separated from the French coast by a dangerous tidal channel (the Race of Alderney). Pop: 2294 (2001). Area: 8 sq km (3 sq miles)
- an early, but now extinct, breed of dairy cattle originating from the island of Alderney