Definition of signal post in English:

signal post

noun

Military
  • A position from which signals are made and received.

noun

  • A pole from which signals are made, especially on a railway by means of semaphore arms.

Origin

Late 18th century. From signal + post<br>early 19th century; earliest use found in The Times. From signal + post.

Pronunciation

signal post

/ˈsɪɡnl pəʊst/