from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to the region of the ocean bottom between the sublittoral and abyssal zones, from depths of 200 to 4,000 meters (660 to 13,000 feet).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Relating to the ocean bottom, between the sublittoral and abyssal zones, at a depth of between 200 and 2000 metres
from the GNU version of the Collaborative International Dictionary of English
- adj. of or pertaining to bathymetry.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. relating to ocean depths between 200 and 2000 meters (corresponds to the continental slope)
Sorry, no etymologies found.