plural noun

Definition of Caenolestoidea

: a superfamily of diprotodont marsupials comprising the opossum rats and extinct related forms

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!

First Known Use of Caenolestoidea

1910, in the meaning defined above

History and Etymology for Caenolestoidea

New Latin, from Caenolestes, type genus + -oidea

Keep scrolling for more

Learn More about Caenolestoidea

Statistics for Caenolestoidea

Look-up Popularity

Time Traveler for Caenolestoidea

The first known use of Caenolestoidea was in 1910

See more words from the same year

Comments on Caenolestoidea

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


to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!