fifth-wheel trailer

Use Fifth-wheel trailer in a sentence

fifth-wheel trailer

[fifth-hweel, -weel or, often, fith-]
noun
See under fifth wheel ( def 3 ).
Dictionary.com Unabridged

fifth wheel

noun
1.
a horizontal ring or segment of a ring, consisting of two bands that slide on each other, placed above the front axle of a carriage and designed to support the forepart of the body while allowing it to turn freely in a horizontal plane.
2.
a similar device used as a coupling to connect a semitrailer to a tractor.
3.
a similar coupling between a heavy-duty pickup truck and a camping trailer (fifth-wheel trailer) that extends over the bed of the truck.
4.
an extra wheel for a four-wheeled vehicle.
5.
a superfluous, unneeded, or unwanted person or thing: They enjoy making any outsider feel like a fifth wheel.

Origin:
1870–75

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To fifth-wheel trailer
00:10
Fifth-wheel trailer is always a great word to know.
So is ninnyhammer. Does it mean:
the offspring of a zebra and a donkey.
a fool or simpleton; ninny.
Collins
World English Dictionary
fifth wheel
 
n
1.  a spare wheel for a four-wheeled vehicle
2.  a.  the coupling table of an articulated vehicle
 b.  a steering bearing that enables the front axle of a horse-drawn vehicle to rotate relative to the body
3.  a superfluous or unnecessary person or thing

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Cultural Dictionary

fifth wheel definition


A hanger-on; a person who serves no function: “The vice president felt like a fifth wheel after his exclusion from the committee.”

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary

fifth wheel definition


  1. n.
    an extra and unneeded person. : I feel like such a fifth wheel around here.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Example sentences
The feeder, crusher, and a discharge conveyor were mounted as a unit on a fifth-wheel trailer.
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