Meaning of the word watcher in English

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

watcher

US /ˈwɑː.tʃɚ/
UK /ˈwɒtʃ.ər/

Noun

1.

a person who watches something, especially an event or activity

Example:
The crowd of watchers grew as the parade approached.
He was a silent watcher from the sidelines.
2.

a device that monitors or records something

Example:
The security camera acts as a constant watcher of the premises.
A heart rate watcher can help monitor your health during exercise.