air horn

English

Noun

air horn (plural air horns)

  1. Alternative form of airhorn
    • 1962 March, Brian Haresnape, “Design in 1961a Retrospect”, in Modern Railways, page 191:
      At a later date in production, the Western Region requested that the two-tone air horns should be placed on the cab roof instead of behind the buffer beam, in order to increase audibility.

References

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