from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A subdivision of a computer directory.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A directory located inside another directory.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (computer science) a directory that is listed in another directory
sub- + directory (Wiktionary)