jel·​ly·​ball | \ ˈje-lē-ˌbȯl How to pronounce jellyball (audio) \
variants: or jelly ball
plural jellyballs or jelly balls

Definition of jellyball

: cannonball jellyfish An aggregation of fish were spotted on the surface frantically working on what turned out to be a cannonball jellyfish—what shrimpers and fishermen refer to as jellyballs. — Tommy Braswell, Post and Courier (Charleston, South Carolina), 4 July 2004

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!

First Known Use of jellyball

1974, in the meaning defined above

Keep scrolling for more

Learn More about jellyball

Statistics for jellyball

Look-up Popularity

Time Traveler for jellyball

The first known use of jellyball was in 1974

See more words from the same year

Comments on jellyball

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


to shake or wave menacingly

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
True or False

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

Word Winder's CrossWinder

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

Love words? Need even more definitions?

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