Also called poppet valve. Machinery. a rising and falling valve consisting of a disk at the end of a vertically set stem, used in internal-combustion and steam engines.
British Dialect. a term of endearment for a girl or child.
Nautical. any of the vertical timbers bracing the bow or stern of a vessel about to be launched.

1300–50; Middle English; earlier form of puppet

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To poppet
World English Dictionary
poppet (ˈpɒpɪt)
1.  a term of affection for a small child or sweetheart
2.  Also called: poppet valve a mushroom-shaped valve that is lifted from its seating against a spring by applying an axial force to its stem: commonly used as an exhaust or inlet valve in an internal-combustion engine
3.  nautical a temporary supporting brace for a vessel hauled on land or in a dry dock
[C14: early variant of puppet]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

"small human figure used in witchcraft and sorcery," c.1300, early form of puppet (q.v.). Meaning "small or dainty person" is recorded from late 14c.; later a term of endearment.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
During the remainder of the open stroke, the internal poppet lifts the main
  poppet and retracts it to the fully open position.
Ensure that the poppet returns to the closed position.
When the pump is activated, product is metered into the line through a poppet
Tests were performed on mushroom, annular, flap and poppet type exhalation
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature