Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

junk ring

noun

Definition of junk ring

: a wide ring around the piston of an internal-combustion engine forming the base for piston rings

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for junk ring

junk entry 1; from its originally use in confining the hemp packing round the piston of a steam engine

Keep scrolling for more

Learn More about junk ring

Share junk ring

Dictionary Entries near junk ring

junk jewelry

junk mail

junkman

junk ring

junk sculpture

junkyard

Juno

Statistics for junk ring

Look-up Popularity

Comments on junk ring

What made you want to look up junk ring? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

decoct

Listen to the pronounciation of decoct

to boil down or concentrate

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games