cylinder head

noun

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.

cylinder head

noun

1. 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 Sometimes shortened tohead

Word History and Origins

Origin of cylinder head¹

First recorded in 1880–85

Example Sentences

The valves are placed directly in the cylinder head and are operated by a common pushrod.

From Project Gutenberg

McTerza was put on the mails, and, coming down one day on the White Flyer, he blew a cylinder-head out of the 416.

From Project Gutenberg

Sometimes one cylinder head is cast in the same piece with the engine frame.

From Project Gutenberg

To tell just where the trouble is you must take off the cylinder head, after setting the engine on the forward center.

From Project Gutenberg

The inside of the cylinder should be well greased, which can be done by removing the cylinder head.

From Project Gutenberg