Periscope

//ˈpɛɹɪskəʊp// noun, verb

Definitions

Noun
  1. 1
    A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility.

    "The waters grew suddenly lighter, and my spirits rose accordingly. I shouted down to those below that I saw daylight ahead, and a great shout of thanksgiving reverberated through the ship. A moment later we emerged into sunlit water, and immediately I raised the periscope and looked about me upon the strangest landscape I had ever seen."

  2. 2
    an optical instrument that provides a view of an otherwise obstructed field wordnet
  3. 3
    A general or comprehensive view. obsolete

    "[…] will show it not only enlarging the periscope of knowledge, but contributing to the amelioration of the condition of unfortunate and suffering humanity […]"

Verb
  1. 1
    To rise and peer around, in the manner of a periscope. intransitive

    "Thousands of ungainly black-beaked heads would periscope and freeze in the direction of the approaching intruder."

  2. 2
    To broadcast live video stream using Periscope app via phone or tablet. Internet, intransitive, transitive

    "Presidential candidate Hillary Clinton Periscoped her first major campaign rally with Olympian Michelle Kwan as the host of the live stream."

Etymology

Etymology 1

Formed in English from peri- + -scope.

Etymology 2

Formed in English from peri- + -scope.

Etymology 3

From the brand name Periscope.

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