atlas
1 Americannoun
plural
atlases, atlantes-
a bound collection of maps.
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a bound volume of charts, plates, or tables illustrating any subject.
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Anatomy. the first cervical vertebra, which supports the head.
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a size of drawing or writing paper, 26 × 34 or 33 inches.
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Also called telamon. Architecture. a sculptural figure of a man used as a column.
noun
plural
Atlases-
Classical Mythology. a Titan, son of Iapetus and brother of Prometheus and Epimetheus, condemned to support the sky on his shoulders: identified by the ancients with the Atlas Mountains.
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a person who supports a heavy burden; a mainstay.
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Charles Angelo Siciliano, 1894–1972, U.S. body-building advocate, born in Italy.
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a liquid-propellant booster rocket, originally developed as the first U.S. ICBM, used with Agena or Centaur upper stages to launch satellites into orbit around the earth and send probes to the moon and planets; also used to launch the Mercury spacecraft into orbit around the earth.
noun
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a collection of maps, usually in book form
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a book of charts, graphs, etc, illustrating aspects of a subject
an anatomical atlas
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anatomy the first cervical vertebra, attached to and supporting the skull in man Compare axis 1
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architect another name for telamon
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a standard size of drawing paper, 26 × 17 inches
noun
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Greek myth a Titan compelled to support the sky on his shoulders as punishment for rebelling against Zeus
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a US intercontinental ballistic missile, also used in launching spacecraft
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astronomy a small satellite of Saturn, discovered in 1980
Discover More
An “Atlas” or “atlas” is an incredibly strong person or one who carries an enormous burden.
Since the sixteenth century, pictures of Atlas and his burden have been used as decorations on maps. Accordingly, the word atlas is used for a book of maps.
Etymology
Origin of atlas
1580–90 in sense “prop, support”; as name for a collection of maps, said to be from illustrations of Atlas supporting the globe in early books of this kind
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 Conservatory project has created what researchers describe as a "comprehensive atlas of regulatory conservation across plants, including dozens of crop species and their wild ancestors."
From Science Daily • Mar. 14, 2026
"It's a good idea to carry a road atlas for back-up, too."
From BBC • Feb. 21, 2026
If he doesn’t believe us, he can look up Norway, Sweden and Finland in an atlas.
From The Wall Street Journal • Jan. 18, 2026
Their goal is to create a detailed anatomical and molecular atlas that reveals how these neural pathways are organized.
From Science Daily • Oct. 25, 2025
And there on its own small desk, propped at an angle on a wooden stand, just waiting to be opened, was a perfectly splendid atlas.
From "The Long-Lost Home" by Maryrose Wood
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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.