/ Dictionary / Index T test pattern: Meaning and Definition of Find definitions for: test' pat"tern Pronunciation: [key] — Television. Television. a geometric design broadcast to receivers for testing the quality of transmission, often identifying the transmitting station and channel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. test paper test pilot Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language