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 There are solid internal options with Tyler Mahle, Michael Lorenzen and Tejay Antone pushing for spots in the rotation, but that won't offset losing the top free-agent pitcher this winter. Bobby Nightengale, The Enquirer, "Cincinnati Reds' GM Nick Krall on Trevor Bauer: 'You'd love to try to get him back'," 20 Oct. 2020 Happle’s knowledge of Andy Avalos' scheme from their time together at Boise State has been evident and the Portland native is clearly going to be in the rotation at field safety and nickel. oregonlive, "Oregon Ducks open full-padded practices with situational football, tackling to start today," 15 Oct. 2020 The poor performance in what was essentially a tryout for the No. 5 spot in the rotation sent Norris to the bullpen. Evan Petzold, Detroit Free Press, "Detroit Tigers' Daniel Norris still being transformed by two-hour call with Roy Halladay," 13 Oct. 2020 The Dodgers have played four regular-season series in Arlington since his big league debut in 2008, but none of those matched up with his turn in the rotation. Stephen Hawkins,, "Bellinger robs Padres as Dodgers hold on for 2-0 NLDS lead," 8 Oct. 2020 With a women’s program and first-class facilities, the state would still be in the rotation to host Big Ten meets. Star Tribune, "Readers Write: The election, the pandemic, climate change, Minneapolis housing, University of Minnesota sports," 2 Oct. 2020 Armchair managers claim the situation was simple: Pitch anyone other than Paddack, who began the season with the ball on opening day before playing himself down to No. 4 in the rotation. Bryce Miller Columnist, San Diego Union-Tribune, "Column: Tricky pitching juggle involving Paddack put Padres in tough spot," 30 Sep. 2020 Can’t let this questions go by without mentioning that Cody, who hadn’t pitched above Class and had only five innings over the last two seasons, should get a chance to win a spot in the rotation. Evan Grant, Dallas News, "An attempt to answer the single-biggest question mark the Rangers must attack this winter," 30 Sep. 2020 Glasnow one-two punch in the rotation, with Charlie Morton waiting in the event of a decisive Game 3. Chris Bumbaca, USA TODAY, "Tampa Bay Rays vs. Toronto Blue Jays: AL Wild Card series preview, schedule, predictions for MLB playoffs," 29 Sep. 2020

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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Time Traveler for rotation

Time Traveler

The first known use of rotation was circa 1550

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Statistics for rotation

Last Updated

24 Oct 2020

Cite this Entry

“Rotation.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

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More Definitions for rotation


How to pronounce rotation (audio)

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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Comments on rotation

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