Source : Webster's Revised Unabridged Dictionary (1913)

Assembler \As*sem"bler\, n.
   One who assembles a number of individuals; also, one of a
   number assembled.

Source : WordNet®

assembler
     n : a program to convert assembly language into machine language
         [syn: {assembly program}]

Source : Free On-Line Dictionary of Computing

assembler
     
         A program which converts {assembly language}
        into {machine code}.
     
        (1996-03-25)