claxon

from WordNet (r) 3.0 (2006)

claxon
    n 1: a kind of loud horn formerly used on motor vehicles [syn:
         {klaxon}, {claxon}]
    v 1: make a loud noise; "The horns of the taxis blared" [syn:
         {honk}, {blare}, {beep}, {claxon}, {toot}]
    2: use the horn of a car [syn: {honk}, {claxon}]

from The Collaborative International Dictionary of English v.0.48

claxon \claxon\ n.
   a kind of loud horn formerly used on motor vehicles.

   Syn: klaxon.
        [WordNet 1.5]

from The Collaborative International Dictionary of English v.0.48

claxon \claxon\ v.
   to sound loudly; -- of car horns.

   Syn: honk, blare, beep, toot, klaxon.
        [WordNet 1.5]

   2. to use the horn of a car.

   Syn: honk.
        [WordNet 1.5]

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