from The American Heritage® Dictionary of the English Language, 4th Edition
- A walled enclosure of central Beijing, China, containing the palaces of 24 emperors in the Ming and Qing dynasties. Formerly closed to the public (hence its name), it is now a vast museum and a major tourist attraction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. the palace of the Qing Dynasty, which is preserved as a museum in Beijing, China
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a walled section of Beijing that encloses the palace that was formerly the residence of the emperor of China
- n. the sacred city of Lamaism; known as the Forbidden City for its former inaccessibility and hostility to strangers
A rough translation of the Mandarin name 紫禁城 (literally "Purple Forbidden City") (Wiktionary)