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
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.
An airport has launched an investigation after it was forced to close its runway when the undercarriage of a light aircraft collapsed.
From BBC • Apr. 28, 2025
Ingenuity arrived on Mars in the undercarriage of the Perseverance rover in February 2021.
From New York Times • Jan. 25, 2024
The search turned up an AirTag in a black Pelican case that was attached to the undercarriage, behind the rear passenger wheel, her claim said.
From Los Angeles Times • Dec. 5, 2023
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
I was worried it would be hard to attach the brackets to the rover's undercarriage, but it ended up being simple.
From "The Martian" by Andy Weir
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.
