Enter a clue or pattern or both:
The Clue
One who prepares a directory (8 letter answer)
The Answer
COMPILER
Tags
Notes
The answer COMPILER is so rare that it appears less than once every 2500 puzzles.
Definition
COMPILER as a noun:
1. (encyclopedist, encyclopaedist, compiler) = a person who compiles (or writes for) encyclopedias
2. (compiler, compiling program) = (computer science) a program that decodes instructions written in a higher order language and produces an assembly language program