Decapoda

plural noun
De·​cap·​o·​da | \di-ˈka-pə-də \

Definition of Decapoda 

1 : an order of Crustaceans (division Eucarida) including the most highly organized crustaceans (as shrimps, lobsters, crabs) having five pairs of thoracic appendages one or more of which are modified into pincers, a pair of movable stalked eyes, mouthparts consisting of a pair of mandibles, two pairs of maxillae, and three pairs of maxillipeds, and the head and thorax fused into a cephalothorax and covered by a carapace that encloses a gill chamber on each side — compare natantia , reptantia

2 : an order of cephalopod mollusks (subclass Dibranchia) including the cuttlefishes, squids, and members of the genus Spirula that are distinguished from the Octopoda by the possession of 10 arms one pair of which is longer than the others and is enlarged at the end and of retractile, stalked suckers with horny rims that are sometimes armed with or replaced by hooks, and an internal horny or calcareous shell

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!

Other Words from Decapoda

decapodal \ di-​ˈka-​pə-​dᵊl \ adjective
decapodan \ di-​ˈka-​pə-​dən \ adjective or noun
decapodous \ di-​ˈka-​pə-​dəs \ adjective

History and Etymology for Decapoda

New Latin, from deca- + -poda

Keep scrolling for more

Learn More about Decapoda

Dictionary Entries near Decapoda

decap

decapitate

decapod

Decapoda

decapodiform

Decapolis

decapper

Statistics for Decapoda

Look-up Popularity

Comments on Decapoda

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

WORD OF THE DAY

full of whispering sounds

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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!