Decapoda

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

Definition of Decapoda

  1. 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. 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

decapodal

\di-ˈka-pə-dəl\ play adjective

decapodan

\di-ˈka-pə-dən\ play adjective or noun

decapodous

\di-ˈka-pə-dəs\ play adjective

There's more!

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!
Already a subscriber? Log in.

Origin and Etymology of decapoda

New Latin, from deca- + -poda


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

to link together in a series or chain

Get Word of the Day daily email!

Love words? Need even more definitions?

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