Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

eusternum

noun
eu·​sternum | \"\
plural eusterna

Definition of eusternum 

: the anterior plate of a sternum of an insect : basisternum also : any of certain other sclerites of the ventral part of the insect thorax

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 eusternum

New Latin, from eu- + sternum

Keep scrolling for more

Learn More about eusternum

Statistics for eusternum

Look-up Popularity

Comments on eusternum

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

Show Comments  Hide Comments 

WORD OF THE DAY

recalcitrant

obstinately defiant of authority

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
True or False

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

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