transcription, транскрипция: [ ˈperɪskəup ]
n. an apparatus with a tube and mirrors or prisms, by which an observer in a trench, submerged submarine, or at the rear of a crowd etc., can see things otherwise out of sight.
PERISCOPE
Meaning of PERISCOPE in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012