from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A casing containing water circulated by a pump, used around a part to be cooled, especially in water-cooled internal-combustion engines.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a container filled with water that surrounds a machine to cool it; especially that surrounding the cylinder block of an engine
Sorry, no etymologies found.