assembler

noun

1. 1

   A program that reads source code written in assembly language and produces executable machine code, possibly together with information needed by linkers, debuggers and other tools.

2. 2

   Assembly language.

   “I wrote that program in assembler.”

3. 3

   One who assembles items.

4. 4

   A nanodevice capable of assembling nanodevices, possibly including copies of itself, according to a plan.