undercarriage
Americannoun
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the supporting framework underneath a vehicle, as an automobile or trailer; the structure to which the wheels, tracks, or the like are attached or fitted.
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the portions of an aircraft that are below the body.
noun
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Also called: landing gear. the assembly of wheels, shock absorbers, struts, etc, that supports an aircraft on the ground and enables it to take off and land
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the framework that supports the body of a vehicle, carriage, etc
Other Word Forms
Noun Inflected Forms
Etymology
Origin of undercarriage
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.
See Examples For:
Two crew members and one passenger were onboard, but were not seriously injured when the main undercarriage collapsed on touch down.
From BBC ● Aug. 6, 2025
Catalytic converters, which control exhaust emissions, are typically found in the undercarriage of a vehicle and contain precious metals including rhodium, palladium and platinum.
From Los Angeles Times ● May 28, 2024
If you decide to use composite decking on a treated lumber undercarriage, read the installation instructions.
From Seattle Times ● Apr. 30, 2024
This, of course, doesn’t really matter to those of us in trucks — so long as the e-scooter doesn’t damage the undercarriage of the truck.
From Washington Times ● Nov. 20, 2023
Where the van’s undercarriage had mown down the brush, spiny branches jutted up like deadly spikes.
From "100 Sideways Miles" by Andrew Smith
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I was not preparing to write about the tampered undercarriages of ski jumpers.
From The Wall Street Journal ● Feb. 7, 2026
Cars would ride so close to the ground that any small shift in weight caused their undercarriages to scrape against the pavement.
From Los Angeles Times ● Nov. 14, 2023
Arquus Chief Executive Emmanuel Levacher told Reuters that the firm had stopped producing the undercarriages because until recently there was no more demand.
From Reuters ● Apr. 7, 2023
On Tuesday, black-suited private security guards also ran mirrors around vehicles to check their undercarriages for explosives — a measure rarely seen in the Emirates.
From Seattle Times ● Feb. 21, 2023
The master put the wagons and carriages in the shed and set Willie to cleaning the mud off wheels and undercarriages, and the sleds were brought out.
From "Lyddie" by Katherine Paterson
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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.