rotation

noun
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

Billions die, as to turn the Earth into an effective mobile ark, its natural rotation must be halted. The Economist, "China’s grand, gloomy sci-fi is going global," 22 June 2019 That will give them a chance to re-set their rotation and give the bullpen some rest. Peter Abraham, BostonGlobe.com, "Positional shuffle hasn’t hurt Michael Chavis on defense," 20 June 2019 The Cubs deemed Quintana necessary to secure the 2017 National League Central title and stabilize their rotation for multiple years. Mark Gonzales, chicagotribune.com, "Cubs acknowledge White Sox improvement but need to take care of their own business," 17 June 2019 The Cincinnati Reds will start all right-handers in the teams' four-game series at Miller Park, and the Pittsburgh Pirates feature all righties in their rotation as well. Todd Rosiak, Milwaukee Journal Sentinel, "Travis Shaw left out of the Brewers' lineup due to a long run of southpaw starters," 17 June 2019 The had not planned for left-hander to become part of their rotation so quickly. Maria Torres, latimes.com, "Jose Suarez continues to cement his place in Angels’ starting rotation," 15 June 2019 Ever since the Earth has had liquid oceans and a moon, its rotation has been gradually slowing over time due to tidal friction. Brian Resnick, Vox, "The summer solstice is coming: 9 things to know about the longest day of the year," 14 June 2019 Through the first 64 games of the season, no team in baseball matched the consistency the Miami Marlins had with their starting rotation. Christian Simmons, sun-sentinel.com, "Marlins call up Jordan Yamamoto as injuries to pitching staff mount; Jose Urena headed to IL," 12 June 2019 Much of the Orioles’ early-season pitching struggles could be attributed to their rotation. Nathan Ruiz, baltimoresun.com, "Orioles reset: The team has lost 45 games — tied for most in the majors. How many have been close?," 10 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

25 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

rotation

noun

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

rotation

noun
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

rotation

noun
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

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