Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

ectognathous

adjective
ec·tog·na·thous | \(ˈ)ek¦tägnəthəs\

Definition of ectognathous 

: having the mouthparts exserted sometimes : thysanuran — compare entognathous

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 ectognathous

ect- + -gnathous

Keep scrolling for more

Learn More about ectognathous

Share ectognathous

Resources for ectognathous

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near ectognathous

ectoentad

ectoethmoid

ectogenesis

ectognathous

ectolecithal

ectoloph

-ectome

Statistics for ectognathous

Look-up Popularity

Comments on ectognathous

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

Show Comments  Hide Comments 

WORD OF THE DAY

mawkish

exaggeratedly or childishly emotional

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!

TAKE THE QUIZ
SCRABBLE® Sprint

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