Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Ophiura

noun
Ophi·​ura | \ ˌäfēˈ(y)u̇rə, ˌōf-\

Definition of Ophiura

: a very large and widely distributed genus of brittle stars

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 Ophiura

New Latin, from ophi- + -ura

Keep scrolling for more

Learn More about Ophiura

Dictionary Entries near Ophiura

Ophite

ophitic

Ophiuchus

Ophiura

Ophiurae

ophiuran

ophiurid

Statistics for Ophiura

Look-up Popularity

Comments on Ophiura

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

Show Comments  Hide Comments 

WORD OF THE DAY

suffuse

Listen to the pronounciation of suffuse

to spread over or through

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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