Definition of chassis

< Chassid

chaste >

chas·sis    (shs, chs) KEY 

NOUN:
pl. chas·sis  (-z) KEY 

1. The rectangular, usually steel frame, supported on springs and attached to the axles, that holds the body and motor of an automotive vehicle.
2. The landing gear of an aircraft, including the wheels, skids, floats, and other structures that support the aircraft on land or water.
3. The frame on which a gun carriage moves forward and backward.
4. The framework to which the components of a radio, television, or other electronic equipment are attached.

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ETYMOLOGY:
French châssis, frame, from Old French, from Vulgar Latin *capscium, from Latin capsa, box