cylinder head

American  

noun

• cylinder heads
  plural

1. (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.

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cylinder head British  

noun

1. Sometimes shortened to: 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 mechanisms

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Other Word Forms

Noun Inflected Forms

• cylinder heads
  plural

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Etymology

Origin of cylinder head

First recorded in 1880–85

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Example Sentences

See Examples For:

cylinder head

Dealers will also install a tube draining fuel from the cylinder head and away from hot surfaces and check for excessive fuel odor near the top of the engine.

From Reuters ● Nov. 24, 2022

If you wanted your engine’s cylinder head ported or a metal flake lacquer finish laid down on your roadster, this was the place to go.

From Washington Post ● Dec. 25, 2017

Ford said engines can overheat if coolant gets low, causing the cylinder head to crack and spew oil that can catch fire.

From Seattle Times ● Apr. 5, 2017

In EcoMotors’ engine, the pistons face each other, creating a combustion chamber between them, eliminating the need for a cylinder head.

From New York Times ● Jun. 20, 2012

The upper part of the barrel and the cylinder head were jacketed, but, surprisingly, the bottom 60 percent of the barrel had no cooling.

From The Wright Brothers' Engines and Their Design by Leonard S. Hobbs

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