/ Dictionary / Index P prone: Meaning and Definition of Find definitions for: prone Pronunciation: (prōn), [key] — adj. having a natural inclination or tendency to something; disposed; liable: to be prone to anger. having the front or ventral part downward; lying face downward. lying flat; prostrate. having a downward direction or slope. having the palm downward, as the hand. prone Pronunciation: (prōn), [key] — n. a sermon or a brief hortatory introduction to a sermon, usually delivered at a service at which the Eucharist is celebrated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prone (Thesaurus) pronator prone float Related Content Daily Word Quiz: ostracize Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language