/ Dictionary / Index K klaxon: Meaning and Definition of Find definitions for: klax•on Pronunciation: (klak'sun), [key] — n. a loud electric horn, formerly used on automobiles, trucks, etc., and now often used as a warning signal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: klaxon (Thesaurus) klavier kleagle Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language