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Definition of "sundial" [sun•di•al]

  • An instrument that indicates local apparent solar time by the shadow cast by a central projecting pointer on a surrounding calibrated dial. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "sundial" in a sentence
  • "Constructed almost three centuries ago, its 73-foot-tall sundial is the largest in the world:"
  • "The sundial is available in two versions, for use in either hemisphere."
  • "Apparently, Rawls hasn't considered the fact that many Muslims already know when the exact prayer times are each day - obviating the need for a "sundial" - or what happens on an overcast day and the "sundial" can't be used - I grew up a few hundred miles away from the site of the Memorial, and am well familiar with that part of Pennsylvania and its climate."