from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to a cold flow of air traveling downward: a katabatic wind.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Downslope on a mountainside.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of an air current or wind; moving downward or down a slope because of cooling especially at night
Greek katabatikos, pertaining to descent, from katabatos, descending : kata-, cata- + batos, going; see gwā- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Ancient Greek κατάβασις (katábasis, "descent") (Wiktionary)