/ Dictionary / Index L logos: Meaning and Definition of Find definitions for: lo•gos Pronunciation: (lō'gos, -gōs, log'os), [key] — n. (often cap.)the rational principle that governs and develops the universe. the divine word or reason incarnate in Jesus Christ. John 1:1–14. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: logos (Thesaurus) logorrhea logotype Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language