subassembly definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. subassemblies
an assembled unit designed to be fitted to a larger unit of which it is a component: a subassembly of an electronic circuit
subassembly definition by American Heritage Dictionary
noun pl. sub·as·sem·blies
An assembled unit forming a component to be incorporated into a larger assembly.