/ Dictionary / Index P pyramid bet: Meaning and Definition of Find definitions for: pyr'amid bet" Pronunciation: [key] a set of bets on two or more horse races or other sporting events in which the stake and winnings from the first bet automatically become the stake in the next bet, and so on as long as each bet wins. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pyramidal tract pyramidical Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language