See under Turkestan.
a vast region in W and central Asia, E of the Caspian Sea: includes territory in the S central part of Xinjiang province in China (Eastern Turkestan or Chinese Turkestan), a strip of N Afghanistan, and the area (Russian Turkestan) comprising the republics of Kazakhstan, Kirghizia (Kyrgyzstan), Tadzhikistan (Tajikistan), Turkmenistan, and Uzbekistan.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the E part of the central Asian region of Turkestan: corresponds generally to the present-day Xinjiang Uygur Autonomous Region of China
an extensive region of central Asia between Siberia in the north and Tibet, India, Afghanistan, and Iran in the south: formerly divided into West (Russian) Turkestan (also called Soviet Central Asia), comprising present-day Turkmenistan, Uzbekistan, Tajikistan, and Kyrgyzstan and the S part of Kazakhstan, and East (Chinese) Turkestan, approximating to the Xinjiang Uygur Autonomous Region 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