/ Dictionary / Index P prickly pear: Meaning and Definition of Find definitions for: prick'ly pear' Pronunciation: [key] any of numerous cacti of the genus Opuntia, having flattened, usually spiny stem joints, yellow, orange, or reddish flowers, and ovoid, often edible fruit. the usually prickly fruit of such a cactus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prickly heat prickly poppy Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language