/ Dictionary / Index P pseudophone: Meaning and Definition of Find definitions for: pseu•do•phone Pronunciation: (s'du-fōn"), [key] — n. an instrument for producing illusory auditory localization by changing the relationship between the receptor and the actual direction of the sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pseudoperipteral pseudopod Related Content Daily Word Quiz: diurnal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language