trunnion

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trun·nion

 (trŭn′yən)
n.
A pin or gudgeon, especially either of two small cylindrical projections on a cannon forming an axis on which it pivots.

[French trognon, stump.]
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.

trunnion

(ˈtrʌnjən)
n
1. (Mechanical Engineering) one of a pair of coaxial projections attached to opposite sides of a container, cannon, etc, to provide a support about which it can turn in a vertical
2. (Mechanical Engineering) the structure supporting such a projection
[C17: from Old French trognon trunk]
ˈtrunnioned adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

trun•nion

(ˈtrʌn yən)

n.
1. either of the two cylindrical projections on a cannon, one on each side, for supporting the cannon on its carriage.
2. any of various similar supports for machinery.
[1615–25; < French trognon trunk, stump, core (of fruit)]
trun′nioned, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Translations

trunnion

[ˈtrʌnɪən] Nmuñón m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in classic literature ?
There was some justification for Kim - he had kicked Lala Dinanath's boy off the trunnions - since the English held the Punjab and Kim was English.
George Willard found Louise Trunnion in the kitchen of her father's house.
Louise Trunnion came out across the potato patch holding the dish cloth in her hand.
The young newspaper reporter had received a let- ter from Louise Trunnion. It had come that morning to the office of the Winesburg Eagle.
When Louise Trunnion came out of the front door of her house she still wore the gingham dress in which she had been washing dishes.
I have seen Tom Pipes go climbing up the church-steeple; I have watched Strap, with the knapsack on his back, stopping to rest himself upon the wicket-gate; and I know that Commodore Trunnion held that club with Mr.
An AK receiver is simply a "U" shaped piece of formed sheet metal that houses sub-assemblies such as the trunnions and fire control group.
Options include a drain plug and a flip-up drain screen, dumping trunnions, and a frame for easy dumping from hook hoist or forklift.
With the frame bent, the front and rear trunnions can be installed.
The vessel is supplied with lift trunnions so it can be raised and tilted for fast transfer of the finished product.