Meaning of the word "signal tower" in English

What does "signal tower" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

signal tower

US /ˈsɪɡ.nəl ˈtaʊ.ər/
UK /ˈsɪɡ.nəl ˈtaʊ.ər/

Noun

a tall structure used for transmitting or receiving signals, often for communication or navigation

Example:
The old signal tower on the coast guided ships safely to harbor.
The railway signal tower controls the movement of trains on the tracks.