/ Dictionary / Index T tellin: Meaning and Definition of Find definitions for: tel•lin Pronunciation: (tel'in), [key] — n. any marine bivalve mollusk of the genus Tellina, having a thin, rounded shell of white, yellow, pink, or purple. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Téllez telling Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language