Definition from Wiktionary, the free dictionary
See also: Appendix:Variations of "chu"
- (historical) An ancient Chinese viscounty and kingdom of the Zhou dynasty (c. 1030–223 BC) along the Yangtze River
- (historical) The realm of this state, as a region or fief in later imperial China
- (historical) Huan Chu, the short-lived kingdom of Huan Xuan (AD 403–404)
- (historical) Ma Chu, a kingdom (907–951) during the Five Dynasties and Ten Kingdoms period