/ Dictionary / Index S shirttail: Meaning and Definition of Find definitions for: shirt•tail Pronunciation: (shûrt'tāl"), [key] — n. the part of a shirt below the waistline. a brief item added at the end of a related newspaper story. Cf.(def. 3b). —adj. quite young and immature in behavior. of distant relation, esp. by marriage: some shirttail cousins I'd never met. —v.t. to append or add (an item) to a discussion or writing: The tariff concessions were shirttailed onto the trade bill. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: shirttail (Thesaurus) shirt-sleeve shirtwaist Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language