cotter
1 Americannoun
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a pin, wedge, key, or the like, fitted or driven into an opening to secure something or hold parts together.
verb (used with object)
noun
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any part, such as a pin, wedge, key, etc, that is used to secure two other parts so that relative motion between them is prevented
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short for cotter pin
verb
noun
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Also called: cottier. English history a villein in late Anglo-Saxon and early Norman times occupying a cottage and land in return for labour
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Also called: cottar. a peasant occupying a cottage and land in the Scottish Highlands under the same tenure as an Irish cottier
Etymology
Origin of cotter1
1300–50; Middle English coter; akin to late Middle English coterell iron bracket; of uncertain origin
Origin of cotter2
1175–1225; Middle English cotere < Anglo-French cot ( i ) er; see cot 2, -er 2
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.
Theirs is a world in which every boy matures to master small motors, to understand the importance of the cotter pin.
From Time Magazine Archive
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As the U.S. cotter pin in the United Nations, Lodge was given Cabinet status and a large voice in U.S. policy�and grew in stature to measure up to both.
From Time Magazine Archive
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At Tsurumi, outside Yokohama, another cotter pin evidently sheared off the wheel housing of a southbound freight car.
From Time Magazine Archive
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At the Mikawa mine on southern Kyushu island, a cotter pin apparently fell out of a coupling on a string of coal cars halted on a slight incline.
From Time Magazine Archive
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The feed motions for cotter drilling may be instantly thrown out of gear when not required, remaining at rest and leaving the machine a simple traverse drill with automatic feeds.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
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.