- the metal casting in which the cylinders of an internal-combustion engine are bored.
Origin of cylinder block
First recorded in 1920–25
Also called block, engine block.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cylinder block
Otherwise the steam pressure will force the cylinder-block faces apart and steam leakage will result.Boys' Book of Model Boats
Raymond Francis Yates
- the metal casting containing the cylinders and cooling channels or fins of a reciprocating internal-combustion engineSometimes shortened to: block