Definition of pre-assembly in US English:

pre-assembly

adjective

  • Relating to or designating a period or stage preceding to (an) assembly.

noun

  • Preliminary assembly of a structure, manufactured item, etc.

Origin

Early 20th century; earliest use found in The Trenton Times. From pre- + assembly.

Pronunciation

pre-assembly

/ˌpriːəˈsɛmbli/