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

Even parked cars can suffer from water damage when the rising flood hits the undercarriage or seeps through the doorways. —Miami Herald Archives, Miami Herald, 9 Sep. 2025

MotorTrend reported in April that the scanners measure treadwear and can analyze a car’s undercarriage, body and glass. —Elizabeth Crisp, The Hill, 20 Aug. 2025

Its wings may be missing, but with its body decked out in period Air France livery, with a chrome-effect undercarriage, gleaming white roof, winged seahorse logo and French tricolor flag, the Comet is an eye-catching sight. —Cnn.com Wire Service, Mercury News, 5 Aug. 2025

Security checks the undercarriage of our van for bombs. —Michael Verdon, Robb Report, 3 Aug. 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