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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.
Origin of cylinder head
1880-1885
First recorded in 1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for cylinder head
Historical Examples
  • If we had a wrench to get the cylinder head off,” said Tom, “I could show you.

    Tom Slade on a Transport Percy Keese Fitzhugh
  • The valves are placed directly in the cylinder head and are operated by a common pushrod.

    Aviation Engines

    Victor Wilfred Pag
  • The exhaust valve is mounted in the cylinder head, Fig. 201, its seating being screwed in by means of a special box spanner.

    Aviation Engines

    Victor Wilfred Pag
  • The intake valve is withdrawn by the use of special tools through the cylinder head, the exhaust valve being first dismounted.

    Aviation Engines

    Victor Wilfred Pag
  • Nickel steel valves are used and are carried in castings or cages which screw into bosses in the cylinder head.

    Aviation Engines

    Victor Wilfred Pag
  • Exhaust valves, seating directly in the cylinder head, are removable through the inlet valve holes.

    Aviation Engines

    Victor Wilfred Pag
  • Combustion Chamber: In 1931 the contour of the cylinder head was changed slightly.

  • I was awakened by the whistle of the locomotive, and then came the slow wheeze of the cylinder head, and we were off.

    The Arm-Chair at the Inn F. Hopkinson Smith
  • All valves in cylinder head, actuated by a single push and pull lever worked by a single cam.

  • In the morning they were given a wrench with which they removed the cylinder head amid the gibes of a group of spectators.

    Tom Slade on a Transport Percy Keese Fitzhugh
British Dictionary definitions for cylinder head

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 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
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Word Value for cylinder

14
16
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