- a type of loud horn formerly used on motor vehicles
WordReference Random House Unabridged Dictionary of American English © 2026
klax•on
(klak′sən),USA pronunciation n.
- Automotivea loud electric horn, formerly used on automobiles, trucks, etc., and now often used as a warning signal. Also, claxon.
- formerly trademark 1905–10, American.
Collins Concise English Dictionary © HarperCollins Publishers::
klaxon, claxon /ˈklæksən/ n
'klaxon' also found in these entries (note: many are not synonyms or translations):