/ Dictionary / Index T Thailand: Meaning and Definition of Find definitions for: Thai•land Pronunciation: (tī'land", -lund), [key] — n. Formerly,a kingdom in SE Asia: official name of Siam 1939–45 and since 1949. 40,000,000; 198,242 sq. mi. (513,445 sq. km). Cap.: Bangkok. Also calledan arm of the South China Sea, S of Thailand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thailand (Thesaurus) Thai Thaïs Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language