noun: (UK) Nickname of Gibraltar. A colony of the United Kingdom, of the Iberian Peninsula, Europe, on the Strait of Gibraltar, between Mediterranean and Atlantic
noun: (US) Nickname of the prison on Alcatraz Island, USA.
noun: (US) Nickname of the island of Alcatraz. An island in San Francisco Bay, Pacific, of California, United States
noun: (Canada) Nickname of the Island of Newfoundland. An island in Newfoundland and Labrador, Canada
noun: (Australia) Nickname of Uluru.
noun: Alternative letter-case form of the Rock [(UK) Nickname of Gibraltar. A colony of the United Kingdom, of the Iberian Peninsula, Europe, on the Strait of Gibraltar, between Mediterranean and Atlantic]