Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An adjustable split metal ring that fits around a piston and seals the gap between the piston and the cylinder wall.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A ring or seal that fits around a piston, sealing between the piston and the bore in which it slides.

from the GNU version of the Collaborative International Dictionary of English

  • A spring packing ring, or any of several such rings, for a piston.

from The Century Dictionary and Cyclopedia

  • n. A packing-ring; a ring, usually of cast-iron, brass, or steel, placed in a groove in a piston for the purpose of preventing the steam or gas from passing the piston.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall

Etymologies

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Examples

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