rotation

noun

ro·​ta·​tion rō-ˈtā-shən How to pronounce rotation (audio)
Synonyms of rotationnext
1
a(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
2
a
: 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
rotational 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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The starting rotation is in great shape. Mac Cerullo, Boston Herald, 31 May 2026 Guard Aaron Wiggins, effectively pushed out of the rotation, holds three more years on a deal worth $9 million in annual value and ends in a team option. Joel Lorenzi, New York Times, 31 May 2026 The posts criticizing White's coaching decisions, rotations and accountability picked up real traction across Clark-heavy corners of X after the blowout. Dan Zaksheske Outkick, FOXNews.com, 31 May 2026 Perhaps that just compels Presti to remain more pragmatic and bolster positional rotation needs instead of attempting a huge swing. Mark Medina, Forbes.com, 31 May 2026 See All Example Sentences for rotation

Word History

First Known Use

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

Time Traveler
The first known use of rotation was circa 1550

Cite this Entry

“Rotation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotation. Accessed 4 Jun. 2026.

Kids Definition

rotation

noun
ro·​ta·​tion rō-ˈtā-shən How to pronounce rotation (audio)
1
a
: the act of rotating especially on an axis
b
: one complete turn
2
rotational
-shnəl How to pronounce rotation (audio)
-shən-ᵊl
adjective

Medical Definition

rotation

noun
ro·​ta·​tion rō-ˈtā-shən How to pronounce rotation (audio)
: 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
rotational adjective

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