Breadcrumb Home > Dictionary > Index T test-fly: Meaning and Definition of Find definitions for: test-fly Pronunciation: (test'flī"), [key] — -flew, -flown, -fly•ing. to fly (an aircraft or spacecraft) for the evaluation of performance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: test-fly (Thesaurus) test flight testicle TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: bowdlerize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language