assembler

• POS: Noun
• HYPHEN: as=sem=bler

CIDE DICTIONARY

assembler, n. 

•  One who assembles a number of individuals; also, one of a number assembled.  [1913 Webster]
•  a computer program that takes as input a set of instructions written in assembly language, and produces a corresponding executable computer program in machine language.  [PJC]
•  same as assembly language.  [PJC]

OXFORD DICTIONARY

assembler, n.
1 a person who assembles a machine or its parts.
2 Computing a a program for converting instructions written in low-level symbolic code into machine code. b the low-level symbolic code itself; an assembly language.