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
Explanation
Can’t remember which countries border Uzbekistan? Consult an atlas, a book of maps, and you’ll find the information you need. An atlas gets its name from the Greek god Atlas, who, according to myth, was forced to bear the weight of the heavens on his shoulders. You might feel like Atlas if you have to carry one of these books around. Atlases are usually large, oversized books that contain maps, diagrams, and information such as population figures. Traditionally, atlas refers specifically to a bound book of maps rather than to a folding map, a globe, or an online database.
Vocabulary lists containing atlas
You Name It: Eponyms
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Kindred
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National Librarian Day
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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
Three years later, their partnership has produced an unprecedented body of knowledge about hundreds of protist species and laid the groundwork for a "planetary atlas" of plankton.
From Science Daily • Nov. 2, 2025
The atlas project proceeded in fits and starts, with meeting minutes from 1831 recording, “the Committee was summoned for this day but Capt. Beaufort alone attended.”
From The Wall Street Journal • Oct. 31, 2025
This was Veronika, as she waved the page ripped from the 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.