Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun air_horn

2 senses of air horn

Sense 1
air horn -- (a pneumatic horn)
       => horn -- (an alarm device that makes a loud warning sound)

Sense 2
air horn -- (air intake of a carburetor)
       => intake, inlet -- (an opening through which fluid is admitted to a tube or container)