cotter pin

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cotter pin

cotter pin

n.
A split cotter inserted through a hole or holes and bent at the ends to fasten two or more parts together.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

cotter pin

n
1. (Mechanical Engineering) a split pin secured, after passing through holes in the parts to be attached, by spreading the ends
2. (Mechanical Engineering) a tapered pin threaded at the smaller end and secured by a nut after insertion
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cot′ter pin`


n.
a cotter having a split end that is spread after being pushed through a hole to prevent it from working loose.
[1890–95]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cotter pin - a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apartcotter pin - a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart
cottar, cotter - fastener consisting of a wedge or pin inserted through a slot to hold two other pieces together
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Two months later during our post deployment material condition inspection (MCI), one of the inspectors was inspecting the IFR probe bay area and found a missing cotter key on one of the linkages that was disconnected during the repair.
And he says, 'Let's fix that deer head so it stays right.' He got out a quarter-inch drill and we drilled a hole through there and took a wire and put a loop on the end of it and put a cotter key on the back and pulled it tight to the lattice and wired it...
Tighten the axle nut to spec using a torque wrench and insert the cotter key (where applicable).
Discovered right aileron cable-to-bell-crank attach bolt nut missing its cotter key (p/n MS24665).