/ Dictionary / Index P Phobos: Meaning and Definition of Find definitions for: Pho•bos Pronunciation: (fō'bus, -bos), [key] — n. a son and attendant of Ares and the personification of a fear held to possess armies and cause their defeat. one of the two moons of Mars. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phobos (Thesaurus) phobic Phocaea Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language