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Synonyms

sundial

American  
[suhn-dahy-uhl, -dahyl] / ˈsʌnˌdaɪ əl, -ˌdaɪl /

noun

  • sundials
    plural
  1. an instrument that indicates the time of day by means of the position, on a graduated plate or surface, of the shadow of the gnomon as it is cast by the sun.


sundial British  
/ ˈsʌnˌdaɪəl /

noun

  1. a device indicating the time during the hours of sunlight by means of a stationary arm (the gnomon ) that casts a shadow onto a plate or surface marked in hours

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of sundial

First recorded in 1570–80; sun + dial

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

You’re watching a ticker that moves like a sundial.

From MarketWatch ● Dec. 12, 2025

As I squeezed the pedal harder, the animated speedometer—designed a bit like an Aztec sundial, with spiky points blooming around the center—grew in radiance.

From The Wall Street Journal ● Sep. 25, 2025

Place that shade on a sundial and Meghan, Duchess of Sussex could time her bakes to it with the utmost accuracy.

From Salon ● Aug. 27, 2025

Only 28% said they preferred the sundial shuffle.

From Los Angeles Times ● Mar. 8, 2025

"We got a lot of sticks. We could have a sundial each. Then we should know what the time was."

From "Lord of the Flies" by William Golding

Cross the orbit of 6446 Lomberg, the asteroid named in honor of his contributions to science, and sail by Mars, where the Spirit, Opportunity and Curiosity rovers bear sundials he helped design.

From Los Angeles Times ● Jul. 26, 2023

For instance, Grant County operated entirely by a system of sundials and groundhogs; in Pulaski County it was just 7:45 p.m. all the time.

From Golf Digest ● Nov. 2, 2017

This is the kind of time indicated by sundials, and it probably represents the earliest measure of time used by ancient civilizations.

From Textbooks ● Oct. 13, 2016

The need to gauge the divisions of the day and night led the ancient Egyptians, Greeks and Romans to create sundials, clocks and other early chronometric tools.

From Scientific American ● Dec. 31, 2011

They did not have mechanical clocks, but they had sundials and water clocks.

From "The Invention of Science" by David Wootton

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