Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An arrangement of lenses and mirrors making it possible to see around obstructing objects.

from the GNU version of the Collaborative International Dictionary of English

  • n. An arrangement of lenses and mirrors which enables a person to see an object in spite of intervening objects. Since the early 1900's, most commonly called periscope.

from The Century Dictionary and Cyclopedia

  • n. An instrument consisting of an arrangement of lenses and mirrors in a telescopic tube, extensible vertically, by means of which it is possible to look over objects intervening between the observer and the object to be seen.

Etymologies

Latin altus high + Ancient Greek for "to view". (Wiktionary)

Examples

Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.