informal a system that prevents access to websites deemed undesirable by the government of the People's Republic of China
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use Great Firewall in a sentence
He was referring to web censorship behind the Great Firewall.
YouTube and Flickr are open to Iranians, while MySpace lies beyond the Great Firewall.