plural noun
Eu·selachii | \¦yü+\

Definition of Euselachii 

(Entry 1 of 2)

: a subclass or other division of Chondrichthyes comprising the recent sharks and rays and certain extinct related forms



Definition of Euselachii (Entry 2 of 2)

taxonomic synonym of pleurotremata

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 Euselachii

Plural noun

New Latin, from eu- + Selachii

New Latin, from eu- + Selachii

Keep scrolling for more

Learn More about Euselachii

Share Euselachii

Statistics for Euselachii

Look-up Popularity

Comments on Euselachii

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


one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!