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  • centaur
    centaur
    noun
    one of a race of creatures having the head, trunk, and arms of a man, and the body and legs of a horse.
  • Centaur
    Centaur
    Any of a group of icy bodies similar to both asteroids and comets, orbiting the Sun in elliptical paths mostly in the region between Saturn and Neptune. Centaurs range in diameter from around 100 to 400 km (62 to 248 mi) and are believed to be Kuiper belt objects that have escaped into the vicinity of the gas-giant planets. Centaurs are considered to have unstable orbits, and gravitational encounters with the large outer planets could send them into the inner solar system or alternatively could eject them from the solar system into interstellar space. Chiron, the first such body to be classified as a Centaur, was discovered in 1977.
Synonyms

centaur

American  
[sen-tawr] / ˈsɛn tɔr /

noun

centaurs plural
  1. Classical Mythology. one of a race of creatures having the head, trunk, and arms of a man, and the body and legs of a horse.

  2. Astronomy. Centaur, the constellation Centaurus.

  3. a skillful horseman or horsewoman.

  4. Rocketry. Centaur, a U.S. upper stage, with a restartable liquid-propellant engine, used with an Atlas or Titan booster to launch satellites and probes.


centaur British  
/ ˈsɛntɔː /

noun

  1. Greek myth one of a race of creatures with the head, arms, and torso of a man, and the lower body and legs of a horse

"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

Centaur Scientific  
/ sĕntôr′ /
  1. Any of a group of icy bodies similar to both asteroids and comets, orbiting the Sun in elliptical paths mostly in the region between Saturn and Neptune. Centaurs range in diameter from around 100 to 400 km (62 to 248 mi) and are believed to be Kuiper belt objects that have escaped into the vicinity of the gas-giant planets. Centaurs are considered to have unstable orbits, and gravitational encounters with the large outer planets could send them into the inner solar system or alternatively could eject them from the solar system into interstellar space. Chiron, the first such body to be classified as a Centaur, was discovered in 1977.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of centaur

First recorded in 1325–75; Middle English, Old English, from Latin centaurus, from Greek kéntauros

Explanation

Have you ever seen a centaur at the zoo? I doubt it! It's a mythological creature that's half-man, half- horse. Like elves, trolls, werewolves, zombies, and vampires, the centaur is a mythical creature, specifically a creature equal parts horse and man. This is a little like a mermaid, who is half-fish and half-woman. In case you were wondering, the top half is the man part. Even in the made-up world of mythology, the other way around just wouldn't work.

Keep Reading on Vocabulary.com

Vocabulary lists containing centaur

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:

In automation theory, Doctorow writes, a centaur is “a person who is assisted by a machine.”

From Salon Jun. 22, 2026

No one can convince her otherwise, and she decides to win her spouse back with an enchanted robe that the dying centaur Nessus told her was a love charm.

From The Wall Street Journal Mar. 18, 2026

For reasons that have yet to be explained, parts of the centaur head are coated with a thin brown film, as are several other marble fragments from the Parthenon.

From Science Daily Jan. 18, 2024

Grover, it turns out, is a satyr, charged with protecting Percy; Mr. Brunner is really a centaur named Chiron.

From Los Angeles Times Dec. 19, 2023

It felt as if space were compacting—as if each centaur step took us miles and miles.

From "The Sea of Monsters" by Rick Riordan

United Launch Alliance, the rocket operator owned by Boeing and Lockheed Martin, has dealt with its own struggles with a new rocket, called Vulcan Centaur.

From The Wall Street Journal Apr. 19, 2026

The venture introduced its new Vulcan Centaur rocket this year, which is partly reusable and lowers launch costs to about $110 million.

From Los Angeles Times Oct. 31, 2024

The world number three from Northern Ireland overcame Wilson by a score of 4-3 but was left frustrated at the match being staged on table two at the Centaur in Cheltenham.

From BBC Sep. 23, 2024

Rocket Lab is pursuing its own medium-lift rocket called Neutron that would be able to compete with Falcon 9 and ULA’s Vulcan Centaur.

From Seattle Times Feb. 21, 2024

Annie Easley, who had joined the Lewis Laboratory in 1955, was staffed on Project Centaur, developing a rocket stage that was ultimately used in the Atlas.

From "Hidden Figures" by Margot Lee Shetterly

Mythical hybrid beasts such as mermaids, centaurs and chimeras testify to our enduring fascination with the plasticity of biological form: the idea that natural organisms can mutate or be reconfigured.

From Scientific American May 31, 2023

Through the smokescreen of a twisted fantasy teeming with centaurs, robot bandits and talking dogs who eat corpses, Sorokin smuggles in a sly critique of contemporary Russia’s turn toward totalitarianism.

From New York Times Apr. 16, 2022

As wonderfully whimsical and weird the show’s world may be, then, Horse and her story — as well as the magical centaurs — remain very much grounded.

From Los Angeles Times Aug. 9, 2021

Not human magic; the world of New Mushroomton, where the film is set, is filled with mythical creatures: Trolls, elves and centaurs are just some of the species that share space with one another.

From Washington Post Mar. 4, 2020

She was so inspiring, even the panicked centaurs started to rally.

From "The Last Olympian" by Rick Riordan

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