ˈchasē, ˈsh-, -aasē, -si sometimes -sə̇s noun
( plural chassis -a(a)sēz, -iz ; also chassises -a(a)sə̇sə̇z)
Etymology: French châssis, from Old French chassiz, from (assumed) Vulgar Latin capsicium, from Latin capsa box, case — more at case
1. obsolete : a wooden frame fitted or to be fitted with a sheet of paper, linen, or glass : a sash especially of a window
2.
a. : the frame upon which is mounted the body (as of an automobile or airplane), the working parts (as of a radio or other electronic device), the barrel and other recoiling parts (of a cannon), or the roof, walls, floors, and facing (as of a building)
b. : the frame and working parts as opposed to the body (as of an automobile) or cabinet (as of a radio or television set)
c. slang , of a woman : figure 8b
3. : a calibrated frame used by a sculptor in making an enlarged or reduced copy of his plaster model