/ Dictionary / Index U USTA: Meaning and Definition of Find definitions for: USTA Pronunciation: [key] United States Trademark Association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ussuriisk USTC Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language