- a term of affection for a small child or sweetheart
- 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
- a temporary supporting brace for a vessel hauled on land or in a dry dock
WordReference Random House Unabridged Dictionary of American English © 2026
pop•pet
(pop′it),USA pronunciation n.
- Mechanical EngineeringAlso called pop′pet valve′. [Mach.]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 Termsa term of endearment for a girl or child.
- Nautical, Naval Termsany of the vertical timbers bracing the bow or stern of a vessel about to be launched.
- Jewelrypoppit.
- Mechanical Engineeringpoppethead.
- 1300–50; Middle English; earlier form of puppet
Collins Concise English Dictionary © HarperCollins Publishers::
poppet /ˈpɒpɪt/ n
'poppet' also found in these entries (note: many are not synonyms or translations):