periscope
noun/ˈperɪskəʊp/
/ˈperɪskəʊp/
- a device consisting of a long tube containing mirrors that enable the user to see over the top of something, used especially in a submarine (= a ship that can operate underwater) to see above the surface of the seaTopics Transport by waterc2
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
periscope