undercarriage

noun

un·​der·​car·​riage ˈən-dər-ˌker-ij 

-ˌka-rij

1

: a supporting framework or underside (as of an automobile)

2

: the landing gear of an airplane

Examples of undercarriage in a Sentence

There was a problem with the plane's undercarriage.

Recent Examples on the Web

Drivers should wash their car's undercarriage in the spring to remove salt and prevent corrosion. —Danny Smith, USA Today, 4 June 2026

Its tail was emblazoned with his famous No 10, and three gold stars laid out on the undercarriage represented the team’s hat-trick of World Cup final victories. —Greg O'Keeffe, New York Times, 4 June 2026

The truck landed on its side across the highway with the black undercarriage facing west, toward eastbound traffic. —Katie Langford, Denver Post, 26 May 2026

One passerby had a fire extinguisher and used it to put out the blaze on the vehicle's undercarriage. —Aaron Parseghian, CBS News, 19 May 2026

Word History

First Known Use

circa 1796, in the meaning defined at sense 1

Rhymes for undercarriage

• carriage

Kids Definition

undercarriage

noun

un·​der·​car·​riage ˈən-dər-ˌkar-ij 

1

: a supporting structure or underside (as of an automobile)

2

: the landing gear of an airplane