/ Dictionary / Index P psephite: Meaning and Definition of Find definitions for: pse•phite Pronunciation: (sē'fīt), [key] — n. Geol. any coarse rock, as breccia or conglomerate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. psellism psephology Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language