Definition of subassemble in US English:

subassemble

verb

  • with object To put together a subassembly unit designed to be incorporated, with other units, into a larger manufactured product; to assemble a component.

Origin

Early 20th century. From sub- + assemble. Compare earlier subassembling, subassembled, subassembly.

Pronunciation

subassemble

/ˌsʌbəˈsɛmbl/