| 单词 | fifth wheel |
| 释义 | fifth wheelSEE SYNONYMS FOR fifth wheel ON THESAURUS.COM nouna 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. a similar device used as a coupling to connect a semitrailer to a tractor. a similar coupling between a heavy-duty pickup truck and a camping trailer (fifth-wheel trailer ) that extends over the bed of the truck. an extra wheel for a four-wheeled vehicle. a superfluous, unneeded, or unwanted person or thing: They enjoy making any outsider feel like a fifth wheel. Origin of fifth wheelFirst recorded in 1870–75 Words nearby fifth wheelfifthly, fifth monarchy, Fifth Monarchy Men, fifth position, Fifth Republic, fifth wheel, fifth-wheel trailer, fiftieth, fifty, fifty-eight, fifty-eighth Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for fifth wheelfifth wheel nouna spare wheel for a four-wheeled vehicle
a superfluous or unnecessary person or thing Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with fifth wheelfifth wheel An extra and unnecessary person or thing, as in He was the only one without a date, so he felt like a fifth wheel. This expression, which alludes to an unneeded wheel on a four-wheel vehicle, may have originated as long ago as 1631, when Thomas Dekker wrote Match Me in London: “Thou tiest but wings to a swift gray Hounds heel, And addest to a running Chariot a fifth wheel.” The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. Cultural definitions for fifth wheelfifth wheel A hanger-on; a person who serves no function: “The vice president felt like a fifth wheel after his exclusion from the committee.” The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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