/ Dictionary / Index T testes: Meaning and Definition of Find definitions for: tes•tes Pronunciation: (tes'tēz), [key] — n. pl. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: testes (Thesaurus) tester test flight Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language