/ Dictionary / Index R rough-winged swallow: Meaning and Definition of Find definitions for: rough'-winged swal'low Pronunciation: (ruf'wingd"), [key] either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins. any of several African swallows of the genus Psalidoprocne, having similar feathers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rough-voiced roul. Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language