post horn
The "post horn" is a historical brass instrument without valves, used by mail coaches to signal their arrival or departure.
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Definition
B2History
(historical)A brass instrument used by mail coaches to signal their arrival or departure.
Example
- In the 18th century, the sound of a post horn announced the arrival of mail.
C1Music
(orchestral)A valveless brass instrument used in orchestral music, based on the historical mail coach horn.
Example
- The composer included a post horn solo in the symphony.