- (in a reciprocating engine or pump) a detachable plate or cover on the end opposite to that from which the piston rod or connecting rod projects.
Origin of cylinder head
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cylinder head
McTerza was put on the mails, and, coming down one day on the White Flyer, he blew a cylinder-head out of the 416.The Nerve of Foley
Frank H. Spearman
We both worked swiftly as we talked, running down the nuts on the cylinder-head studs.Fighting Byng
And I explained all about how we blowed out a cylinder-head at the mouth of White River, and it took us three days to fix it.Adventures of Huckleberry Finn, Complete
Mark Twain (Samuel Clemens)
During the night, we let our steam go down, to give the engineer an opportunity of screwing up the cylinder-head.
- the detachable metal casting that fits onto the top of a cylinder block. In an engine it contains part of the combustion chamber and in an overhead-valve four-stroke engine it houses the valves and their operating mechanismsSometimes shortened to: head
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