Great Wall of China in British English
noun
a defensive wall in N China, extending from W Gansu to the Gulf of Liaodong: constructed in the 3rd century bc as a defence against the Mongols; substantially rebuilt in the 15th century. Length: over 2400 km (1500 miles). Average height: 6 m (20 ft). Average width: 6 m (20 ft)
Great Wall of China in American English
stone & earth wall extending across N China, built as a defense against invaders in the 3d cent. b.c., with later extensions: 15-30 ft (4.5-9 m) high; 12-20 ft (3.5-6 m) wide; c. 1,500 mi (2,415 km) long
Image ofGreat Wall of China
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