/ Dictionary / Index P Priapus: Meaning and Definition of Find definitions for: Pri•a•pus Pronunciation: (prī-ā'pus), [key] — n. a god of male procreative power, the son of Dionysus and Aphrodite. (l.c.) a phallus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: priapus (Thesaurus) priapitis Pribilof Islands 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