Merriam-Webster Logo
SINCE 1828
dictionary
thesaurus
view recents

Peracarida

plural noun
Save Word
Pera·​car·​i·​da | \ ˌperəˈkarədə \

Definition of Peracarida

: a division of Malacostraca including among others the amphipods and isopods all having the first thoracic segment fused with the head, the thoracic legs flexed between the fifth and sixth segments, and the young developed in a brood pouch from which they escape at a late stage

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 Peracarida

New Latin, from Greek pēra pouch, bag + New Latin -carida (from Latin carid-, caris, a kind of sea crab)

Keep scrolling for more

Learn More About Peracarida

Statistics for Peracarida

Cite this Entry

“Peracarida.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Peracarida. Accessed 18 Jun. 2021.

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

WORD OF THE DAY

calumny

Listen to the pronunciation of calumny

See Definitions and Examples »

Test Your Vocabulary

Name that Thing: Dog Breeds

  • any of a breed of small compact heavy-boned dogs developed in france and having erect ears
  • Name that dog!
True or False

Test your knowledge - and maybe learn something along the way.

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!

Words at Play
Ask the Editors
Word Games