Meaning of the word periscope in English

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

periscope

US /ˈper.ɪ.skoʊp/
UK /ˈper.ɪ.skəʊp/

Noun

an optical instrument that provides a view of an otherwise obstructed field, consisting of a tube with mirrors or prisms at either end, used especially in submarines to see above the surface of the water

Example:
The submarine raised its periscope to scan the horizon.
He used a simple periscope to see over the wall.