from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An internal-combustion engine, as in some automobiles, that has the inlet and exhaust valves in the cylinder head instead of in the engine block.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. internal-combustion engine having both inlet and exhaust valves located in the cylinder head
Sorry, no etymologies found.