Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Armadillidiidae

plural noun
Ar·​ma·​dil·​li·​di·​i·​dae | \ ˌärməˌdiləˈdīəˌdē\

Definition of Armadillidiidae

: a cosmopolitan family (type genus Armadillidium) of terrestrial isopods having arched bodies that can be rolled into a ball and including all the wood lice

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 Armadillidiidae

New Latin, from Armadillidium, type genus (from Armadillo + -idium) + -idae; from the habit of rolling the body up into a ball when touched

Keep scrolling for more

Learn More about Armadillidiidae

Dictionary Entries near Armadillidiidae

ARM

arm's length

armada

Armadillidiidae

Armadillidium

armadillo

armado

Statistics for Armadillidiidae

Look-up Popularity

Comments on Armadillidiidae

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

Show Comments  Hide Comments 

WORD OF THE DAY

hobbyhorse

Listen to the pronounciation of hobbyhorse

a topic to which one constantly reverts

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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