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Ca·nal Zone(kə-năl′) also Pan·a·ma Canal Zone (păn′ə-mä′)
A strip of land, about 16 km (10 mi) wide, across the Isthmus of Panama. Formerly administered by the United States for the operation of the Panama Canal, it was turned over to Panama in 1979.
(Placename) a former administrative region of the US, on the Isthmus of Panama around the Panama Canal: bordered on each side by the Republic of Panama, into which it was incorporated in 1979. Also called: Panama Canal Zone