/ Dictionary / Index T twinborn: Meaning and Definition of Find definitions for: twin•born Pronunciation: (twin'bôrn"), [key] — adj. born at the same birth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. twin bill Twin Cities Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language