/ Dictionary / Index P pitahaya: Meaning and Definition of Find definitions for: pit•a•ha•ya Pronunciation: (pit"u-hī'u), [key] — n. any of several cacti of the genus Lemaireocereus and related genera, of the southwestern U.S. and Mexico, bearing edible fruit. the fruit of such a cactus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pitahaya (Thesaurus) pita Pitaka Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language