from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The land area drained by a river and its tributaries.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An extent of land where water from rain or snow melt drains downhill into a river or series of rivers.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
Sorry, no etymologies found.