/ Dictionary / Index T tai: Meaning and Definition of Find definitions for: tai Pronunciation: (tī), [key] — pl. tai. any of several sparoid fishes of the Pacific Ocean, as Pagrus majora food fish of Japan. Tai Pronunciation: (tī, tä'ē), [key] — n. a group of languages spoken in SE Asia, including Thai, Lao, and Shan, and thought by some to be related to the Sino-Tibetan languages. Thai. —adj. of, pertaining to, or characteristic of Tai. Thai. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tai (Thesaurus) tahsildar Taibei Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language