/ Dictionary / Index T tester: Meaning and Definition of Find definitions for: test•er Pronunciation: (tes'tur), [key] — n. a person or thing that tests. tes•ter Pronunciation: (tes'tur, tēs'-), [key] — n. a canopy, as over a bed or altar. tes•ter Pronunciation: (tes'tur), [key] — n. the teston of Henry VIII. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tester (Thesaurus) testee testes 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