ro·​ta·​tion | \ rō-ˈtā-shən How to pronounce rotation (audio) \

Definition of rotation

1a(1) : the action or process of rotating on or as if on an axis or center
(2) : the act or an instance of rotating something
b : one complete turn : the angular displacement required to return a rotating body or figure to its original orientation
2a : return or succession in a series rotation of the seasons
3 : the turning of a body part about its long axis as if on a pivot
4 : a game of pool in which all 15 object balls are shot in numerical order
5 : the series of pitchers on a baseball team who regularly start successive games in turn

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Other Words from rotation

rotational \ rō-​ˈtā-​shnəl How to pronounce rotational (audio) , -​shə-​nᵊl \ adjective

Examples of rotation in a Sentence

the rotation of the Earth around its axis the rotation of the Moon around the Earth The Earth makes one rotation every day. Alfalfa and corn are planted in rotation. the rotation of the job of club president The car needs a tire rotation.
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Recent Examples on the Web

Read more: Will the experience of Calipari's 2019-20 team deliver a Final Four? Richards and Montgomery took turns as the third man in Kentucky’s post rotation a year ago behind PJ Washington and Reid Travis. Jon Hale, The Courier-Journal, "Kentucky's returning bigs will compete, whether Kerry Blackshear is at UK or not," 7 June 2019 From Game 4 onward, the Warriors’ deep rotation might actually benefit since Toronto might wear down. Mark Medina, The Mercury News, "Warriors mailbag: Will Kevin Durant return in the NBA Finals?," 7 June 2019 With Smith’s spot in the rotation not due until Tuesday, Miami has four days to decide how to approach that start. Wells Dusenbury,, "Caleb Smith heading to the IL; Marlins MLB draft draws strong reviews," 7 June 2019 More than a spot-up shooter, VanVleet adds another playmaker into Nurse’s rotation. Michael Shapiro,, "Kyle Lowry and the Factors That Allowed His Return to Form," 7 June 2019 Adarius Taylor is going to be a factor in the linebacker rotation. Dan Labbe,, "Browns minicamp defensive report: Versatility is a good thing for a young cornerback," 6 June 2019 Rom’s rotation-mate, right-hander Grayson Rodriguez, won the pitching award for April, while shortstop Adam Hall of Delmarva was the April Player of the Month. Jon Meoli,, "Orioles name outfielder DJ Stewart, left-hander Drew Rom their May minor league players of the month," 6 June 2019 Essentially, the Sixers would be relying on Smith, Bolden, and this year’s first-round pick, plus any veteran-minimum players, to round out the rotation behind the Big Four. David Murphy,, "The Sixers already bet big on Tobias Harris. Their best course of action is to see if it pays off. | David Murphy," 5 June 2019 Pitching rotation altered The Diamondbacks have Thursday off before heading out on a 10-game road trip that will consist of games in Toronto, Philadelphia and Washington. Michelle Gardner, azcentral, "Diamondbacks' Adam Jones held out of lineup with soreness, but long-term absence not anticipated," 5 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rotation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rotation

circa 1550, in the meaning defined at sense 1a(1)

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Statistics for rotation

Last Updated

11 Jun 2019

Look-up Popularity

Time Traveler for rotation

The first known use of rotation was circa 1550

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More Definitions for rotation



English Language Learners Definition of rotation

: the act or process of moving or turning around a central point
: a complete turn around a central point
: the act of regularly changing something by replacing it with something else


ro·​ta·​tion | \ rō-ˈtā-shən How to pronounce rotation (audio) \

Kids Definition of rotation

1 : the act of turning about an axis
2 : the system of growing different crops in the same field usually in a regular order


ro·​ta·​tion | \ rō-ˈtā-shən How to pronounce rotation (audio) \

Medical Definition of rotation

: the action or process of rotating on or as if on an axis or center specifically : the turning of a body part about its long axis as if on a pivot rotation of the head to look over the shoulder

Other Words from rotation

rotational \ -​shnəl, -​shən-​ᵊl How to pronounce rotational (audio) \ adjective

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More from Merriam-Webster on rotation

Rhyming Dictionary: Words that rhyme with rotation

Thesaurus: All synonyms and antonyms for rotation

Spanish Central: Translation of rotation

Nglish: Translation of rotation for Spanish Speakers

Britannica English: Translation of rotation for Arabic Speakers

Comments on rotation

What made you want to look up rotation? Please tell us where you read or heard it (including the quote, if possible).


incapable of being surmounted or overcome

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