/ Dictionary / Index T Tbilisi: Meaning and Definition of Find definitions for: Tbi•li•si Pronunciation: (tu-bu-lē'sē Russ. tbyi-lyē'syi), [key] — n. a city in and the capital of the Georgian Republic, in the SE part, on the Kura. 1,194,000. Formerly, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tbilisi (Thesaurus) TBI T-bill Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language