- (in an internal-combustion engine) the housing that encloses the crankshaft, connecting rods, and allied parts.
Origin of crankcase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for crankcase
From the crankcase of the ship ahead of him flames were leaping.
I just put a connecting-rod through my crankcase, growled the man.
In this rotary motor the cylinders and crankcase revolve about the crankshaft which is stationary.The Boy's Book of New Inventions
Harry E. Maule
The distributing valve forms a part of the crankcase as does the water intake, and the gear pump.
Magnalium takes the place of aluminum in the crankcase, because it is not only lighter but stronger and can be cast very thin.
- the metal housing that encloses the crankshaft, connecting rods, etc, in an internal-combustion engine, reciprocating pump, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012