/ Dictionary / Index O Old Test.: Meaning and Definition of Find definitions for: Old Test. Pronunciation: [key] Old Testament. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. old style Old Testament Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language