noun (1)

Definition of whiteworm

 (Entry 1 of 2)

white worm

noun (2)

Definition of white worm (Entry 2 of 2)

: an enchytraeid worm used as food for aquarium fish — compare enchytrae

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 whiteworm

Noun (1)

1724, in the meaning defined above

Keep scrolling for more

Learn More about whiteworm

Time Traveler for whiteworm

Time Traveler

The first known use of whiteworm was in 1724

See more words from the same year

Statistics for whiteworm

Cite this Entry

“Whiteworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whiteworm. Accessed 9 Jul. 2020.

Comments on whiteworm

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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!