Archegosaurus

noun
Ar·​che·​go·​sau·​rus | \ ärˌkēgōˈsȯrəs\

Definition of Archegosaurus

: a genus of extinct long-snouted aquatic labyrinthodont amphibians from the Lower Permian of Europe

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 Archegosaurus

New Latin, from Greek archēgos primary, originating (from archē beginning + -ēgos, akin to Greek agein to lead, drive) + New Latin -saurus

Keep scrolling for more

Comments on Archegosaurus

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

WORD OF THE DAY

having a desire to acquire more things

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

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!