/ Dictionary / Index T transpontine: Meaning and Definition of Find definitions for: trans•pon•tine Pronunciation: (trans-pon'tin, -tīn), [key] — adj. across or beyond a bridge. on the southern side of the Thames in London. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. transponible transport 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