/ Dictionary / Index N Nixon: Meaning and Definition of Find definitions for: Nix•on Pronunciation: (nik'sun), [key] — n. 1913–94, 37th president of the U.S., 1969–74 (resigned). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nixon (Thesaurus) nixie Nixon Doctrine Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language