or clax·on

[ klak-suh n ]
/ ˈklæk sən /


a loud electric horn, formerly used on automobiles, trucks, etc., and now often used as a warning signal.

Origin of klaxon

An Americanism dating back to 1905–10; formerly trademark
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British Dictionary definitions for klaxon



/ (ˈklæksən) /


a type of loud horn formerly used on motor vehicles

Word Origin for klaxon

C20: former trademark, from the name of the manufacturing company
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012