nereis

noun
ne·​re·​is | \ ˈnirēə̇s\

Definition of nereis

1 capitalized : the type genus of Nereidae comprising usually large, often dimorphic, and frequently greenish polychaete worms — see clam worm
2 plural nereides : any marine worm of the genus Nereis

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 nereis

New Latin Nereid-, Nereis, from Latin, Nereid

Keep scrolling for more

Learn More about nereis

Dictionary Entries near nereis

nereid

Nereidae

Nereidiformia

nereis

Nereocystis

Nereus

nerf

Statistics for nereis

Look-up Popularity

Comments on nereis

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

WORD OF THE DAY

someone who never drinks alcohol

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
True or False

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

TAKE THE QUIZ
Citation

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!