Periscope Definition & Meaning | Britannica Dictionary

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The Britannica Dictionary periscope 1 ENTRIES FOUND:
  • periscope (noun)
periscope /ˈperəˌskoʊp/ noun plural periscopes periscope /ˈperəˌskoʊp/ noun plural periscopes Britannica Dictionary definition of PERISCOPE [count] : a long tube that contains lenses and mirrors and that is used to look over or around something and especially by a person in a submarine to see above the surface of the water ASK THE EDITOR
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