PERISCOPE


Meaning of PERISCOPE in English

/ ˈperɪskəʊp; NAmE -skoʊp/ noun

a device like a long tube, containing mirrors which enable the user to see over the top of sth, used especially in a submarine (= a ship that can operate underwater) to see above the surface of the sea

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.