Definition of Lao-tzu in US English:

Lao-tzu

(also Laoze)

proper noun

  • (fl. 6th century BC), Chinese philosopher traditionally regarded as the founder of Taoism and author of the Tao-te-Ching, its most sacred scripture.

Origin

Chinese, literally ‘Lao the Master’.

Pronunciation

Lao-tzu

/ˈdzə/