the central Taoist text, ascribed to Lao-tzu, the traditional founder of Taoism. Apparently written as a guide for rulers, it defined the Tao, or way, and established the philosophical basis of Taoism.
Chinese, literally 'the Book of the Way and its Power'
Tao-te-Ching in other Oxford dictionaries
Definition of Tao-te-Ching in the US English dictionary