I. əˈsemblə(r) noun
( -s )
1. : one that assembles: as
a. : a worker who assembles component parts of an item of manufacture
b. : a middleman who buys mainly farm products from small and scattered producers and prepares them for shipment in economical quantities to the city markets
2. obsolete : one of an assembly
II. noun
1. : a computer program that automatically converts instructions written in assembly language into machine language
2. : assembly language