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chassis

American  
[chas-ee, -is, shas-ee] / ˈtʃæs i, -ɪs, ˈʃæs i /

noun

plural

chassis

  1. Automotive. the frame, wheels, and machinery of a motor vehicle, on which the body is supported.

  2. Ordnance. the frame or railway on which a gun carriage moves backward and forward.

  3. the main landing gear of an aircraft; that portion of the landing gear that supports an aircraft.

  4. Radio and Television. a frame for mounting the circuit components of a radio or television set.

  5. a construction forming the sides, top, and bottom of a cabinet, showcase, or the like.

chassis British  
/ ˈʃæsɪ /

noun

  1. the steel frame, wheels, engine, and mechanical parts of a motor vehicle, to which the body is attached

  2. electronics a mounting for the circuit components of an electrical or electronic device, such as a radio or television

  3. the landing gear of an aircraft

  4. obsolete a wooden framework for a window, screen, etc

  5. the frame on which a cannon carriage moves backwards and forwards

  6. slang the body of a person, esp a woman

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of chassis

1655–65; < French châssis frame; akin to chase 2

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.

Stellantis maintains “less than a few hours’ worth of inventory” of the chassis modules on hand, the lawsuit said, as can be common in the auto industry.

From The Wall Street Journal • Mar. 26, 2026

The bill would eliminate the requirement that a manufactured home must be built with a permanent chassis, which allows the house to be moved.

From Barron's • Mar. 13, 2026

The company has also received confirmed orders for Nvidia’s compute tray and network switch tray for its chassis solutions.

From The Wall Street Journal • Mar. 10, 2026

But the rock-hard suspensions of the ground-effect cars were not popular at all, and the chassis side of the new rules, most would agree, has been a step in the right direction.

From BBC • Mar. 8, 2026

Sometimes compressor pumps and material can be mounted on truck chassis, but there is no blanket spraying.

From "Silent Spring" by Rachel Carson

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.