reins
Americanplural noun
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the kidneys.
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the region of the kidneys, or the lower part of the back.
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(especially in Biblical use) the seat of the feelings or affections, formerly identified with the kidneys.
plural noun
Etymology
Origin of reins
before 1000; Middle English reines, reenes < Old French reins; compare Old English (once) rēnys; both < Latin rēnēs kidneys, loins (plural); cf. renal
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.
Carter will officially take over the reins effective in July.
From The Wall Street Journal • Apr. 23, 2026
Tim Cook had a lot to prove when Apple co-founder Steve Jobs handed over the reins as chief executive nearly 15 years ago.
From Los Angeles Times • Apr. 22, 2026
A mechanical engineer by background, who most recently has led hardware engineering for all of Apple’s products, Ternus takes Apple’s reins at a critical time in its history.
From The Wall Street Journal • Apr. 21, 2026
However, a lack of head coach opportunities in England has led him back to Italy - where he played towards the end of his career with Roma - to take the reins at Cesena.
From BBC • Apr. 16, 2026
He gently tightened the reins to signal to the ox to go faster.
From "The Boy Who Met a Whale" by Nizrana Farook
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.