Petalodus

noun
Pet·​a·​lo·​dus

Definition of Petalodus

: the type genus of the family Petalodontidae known only from fossil teeth

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 Petalodus

New Latin Petalodont-, Petalodus, from petal- (from Greek petalon leaf) + -odont-, -odus -odus

Keep scrolling for more

Learn More About Petalodus

Dictionary Entries Near Petalodus

Petalodontidae

Petalodus

petalody

See More Nearby Entries 

Statistics for Petalodus

Cite this Entry

“Petalodus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Petalodus. Accessed 2 Aug. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!