Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
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
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
noun pl. sub·as·sem·blies
An assembled unit forming a component to be incorporated into a larger assembly.