/ Dictionary / Index B backdoor play: Meaning and Definition of Find definitions for: backdoor' play" Pronunciation: [key] — Basketball. Basketball. an offensive tactic whereby a player breaks away from a defender to receive a pass near the baseline in order to make a quick layup. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. back door backdown Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language