/ Dictionary / Index U upwhirl: Meaning and Definition of Find definitions for: up•whirl Pronunciation: (up-hwûrl', -wûrl'), [key] — v.t. to cause (something) to whirl upward. —v.i. to be whirled upward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upwelling upwind Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language