Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various tubular optical instruments that contain reflecting elements, such as mirrors and prisms, to permit observation from a position displaced from a direct line of sight.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility.
  • n. : A general or comprehensive view.
  • v. To rise and peer around, in the manner of a periscope.

from the GNU version of the Collaborative International Dictionary of English

  • n. A general or comprehensive view.

from The Century Dictionary and Cyclopedia

  • n. A general view or comprehensive summary. [Rare.]
  • n. 2. An instrument by which objects in a horizontal view may be seen through a vertical tube.
  • n. in photography, a photographic lens having a wide angle (90┬░ or more).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an optical instrument that provides a view of an otherwise obstructed field

Etymologies

From peri- + -scope. (Wiktionary)

Examples

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Comments

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  • ...the parcel
    which now had a little window cut in it
    though which a tiny periscope had been
    insinuated establishing that
    the contents were four small pots of jam.

    - Peter Reading, Dr Cooper's Story, from Nothing for Anyone, 1977

    June 26, 2008

  • So that's how you spell that sound!

    October 9, 2007

  • "Down periscope! Dive! Dive!" *aooga, aooga*

    October 9, 2007

  • The only way is up.

    October 8, 2007