/ Dictionary / Index U USW: Meaning and Definition of Find definitions for: USW Pronunciation: [key] ultrashort wave. usw Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. U.S.V. usward Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language