/ Dictionary / Index T Trebbia: Meaning and Definition of Find definitions for: Treb•bia Pronunciation: (treb'byä), [key] — n. a river in N Italy, flowing N into the Po at Piacenza: Romans defeated by Hannibal near here 218 b.c. 70 mi. (113 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. treaty port Trebizond Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language