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

Photos accompanying the listing show that the undercarriage has seen better days and that the interior is in need of a deep clean and reupholstering. —Bryan Hood, Robb Report, 30 May 2025

The undercarriage has beefy protection from ground contact thanks to steel-armored plates protecting the fuel tank, transmission, and oil pan. —Graham Averill, Outside Online, 23 Apr. 2025

The pizza had a solid undercarriage with a little flop but stayed firm when bent at the crust. —Jamie Graziano, Charlotte Observer, 14 Mar. 2025

An employee installs parts on the undercarriage of a Mercedes-Benz GLS-Class SUV at the Mercedes-Benz U.S. International factory in Vance, Alabama, on June 8, 2017. —Michael Wayland, CNBC, 1 May 2025

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