noun pl. chassis -·sis′ (-ēz′)

1. a frame on which the carriage of a cannon moves back and forth
2. the part of a motor vehicle that includes the engine, the frame, suspension system, wheels, steering mechanism, etc., but not the body
3. landing gear
4. Electronics
   1. the metal frame on which the parts of an electronic device together with the circuits connecting them are mounted
   2. the assembled frame and parts
5. ☆ Slang the body or figure, esp. of a woman

Etymology: Fr châssis: see chase