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.

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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

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Etymology

Origin of chassis

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

Example Sentences

The chassis forms the framework of the diaper, and the part of it that sits against the baby’s skin needs to be soft and nonirritating.

From The Wall Street Journal • Mar. 20, 2026

Wheatley joined Audi only a year ago and has been based at its chassis headquarters in Hinwil in Switzerland.

From BBC • Mar. 19, 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

A painful screech of metal on cement raked our ears as the chassis bottomed out.

From "Schooled" by Gordon Korman

Related Words

• frame
• undercarriage