subassembly

[ suhb-uh-sem-blee ]
/ ˌsʌb əˈsɛm bli /

noun, plural sub·as·sem·blies.

a structural assembly, as of electronic or machine parts, forming part of a larger assembly.

Origin of subassembly

First recorded in 1925–30; sub- + assembly

British Dictionary definitions for subassembly

subassembly
/ (ˌsʌbəˈsɛmblɪ) /

noun plural -blies

a number of machine components integrated into a unit forming part of a larger assembly