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crankcase

American  
[krangk-keys] / ˈkræŋkˌkeɪs /

noun

  1. (in an internal-combustion engine) the housing that encloses the crankshaft, connecting rods, and allied parts.

crankcase British  
/ ˈkræŋkˌkeɪs /

noun

  1. 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

Etymology

Origin of crankcase

First recorded in 1875–80; crank 1 + case 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.