astronomical clock
Americannoun
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a clock indicating or representing the movements of the sun or planets, the phases of the moon, or the sky visible at a given time, used as a means of establishing time or for additional information, as locating celestial bodies or timing their movement.
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a clock used for observing the apparent time of the meridian passages of heavenly bodies.
noun
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a complex clock showing astronomical phenomena, such as the phases of the moon
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any clock showing sidereal time used in observatories
Etymology
Origin of astronomical clock
First recorded in 1855–60
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.
The ornate astronomical clock that sits on the ancient Old Town Hall was finished in the 15th.
From The Wall Street Journal ● Mar. 13, 2026
Inside, the astronomical clock gets all the visitor love, but what stole my attention was the tapestry exhibition.
From Washington Post ● Dec. 16, 2021
On the front there is the first astronomical clock in the town hall of Padua, Italy, in 1364.
From BBC ● Oct. 23, 2020
Nearby is the astronomical clock, originally completed before 1422, but starkly refinished in the Socialist Realist style in 1955.
From New York Times ● Jun. 12, 2019
The ultimate ignominy came the day Father set the astronomical clock by the radio.
From "The Hiding Place" by Corrie ten Boom
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.