crankcase

 

English Wikipedia has an article on:

crankcase

Wikipedia

From crank +‎ case.

crankcase (plural crankcases)

1. The part of an engine that contains the crankshaft.
   • 1960 January, “The Swindon Type "4" diesel-hydraulic units”, in Trains Illustrated, page 41:

     The crankcase itself is in one piece, in the form of a tunnel into which the crankshaft is introduced from one end.

• “crankcase”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.