/ Dictionary / Index T Tynemouth: Meaning and Definition of Find definitions for: Tyne•mouth Pronunciation: (tīn'muth, tin'-), [key] — n. a seaport in Tyne and Wear, in NE England, at the mouth of the Tyne River. 68,861. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tyne and Wear Tynwald Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language