/ Dictionary / Index T Tiber: Meaning and Definition of Find definitions for: Ti•ber Pronunciation: (tī'bur), [key] — n. a river in central Italy, flowing through Rome into the Mediterranean. 244 mi. (395 km) long. Italian, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tiber (Thesaurus) Tibbett Tiberian Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language