periscope

3 definitions found

periscope - Collaborative International Dictionary of English v.0.48 :

  Periscope \Per"i*scope\, n. [Pref. peri- + -scope.]
     A general or comprehensive view. [archaic]
     [1913 Webster]
  
     2. An optical instrument of tubular shape containing an
        arrangement of lenses and mirrors (or prisms), allowing a
        person to observe a field of view otherwise obstructed, as
        beyond an obstructing object or (as in submarines) above
        the surface of the water.
        [PJC]

periscope - WordNet (r) 2.1 (2005) :

  periscope
      n 1: an optical instrument that provides a view of an otherwise
           obstructed field

periscope - Moby Thesaurus II by Grady Ward, 1.0 :

  19 Moby Thesaurus words for "periscope":
     Aqua-Lung, air cylinder, aquascope, bathyscaphe, bathysphere,
     benthoscope, diving bell, diving boat, diving chamber,
     diving goggles, diving helmet, diving hood, diving mask,
     diving suit, scuba, snorkel, submarine, swim fins, wet suit