Sundial

ahd-5
  • noun. An instrument that indicates local apparent solar time by the shadow cast by a central projecting pointer on a surrounding calibrated dial.
  • The Century Dictionary and Cyclopedia
  • noun. An instrument for indicating the time of day by means of the position of a shadow on a dial or diagram.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. An instrument to show the time of day by means of the shadow of a gnomon, or style, on a plate.
  • noun. any shell of the genus Solarium. See Solarium.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A simple timekeeping device in which the shadow cast by a vertical pole or plate (the gnomon) is used to indicate the time of day.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial
  • Word Usage
    "Constructed almost three centuries ago, its 73-foot-tall sundial is the largest in the world:"
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