Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Monaxonida

plural noun
Mon·​ax·​on·​i·​da

Definition of Monaxonida 

in some classifications

: a subclass or order of Demospongiae that comprises sponges with siliceous monaxonic megascleres and with or without spongin

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 Monaxonida

New Latin, from mon- + Greek axōn axis + New Latin -ida

Keep scrolling for more

Learn More about Monaxonida

Share Monaxonida

Statistics for Monaxonida

Look-up Popularity

Comments on Monaxonida

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

Show Comments  Hide Comments 

WORD OF THE DAY

lunette

the figure or shape of a crescent moon

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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