plural noun
Cir·​ri·​pe·​dia | \ ˌsirəˈpēdēə \

Definition of Cirripedia

: a subclass of Crustacea comprising the barnacles, goose barnacles, and a few highly modified parasitic related forms, all being free-swimming in the larval stages but permanently attached or parasitic as adults

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 Cirripedia

cirripedial \ ¦⸗⸗¦⸗dēəl \ adjective

History and Etymology for Cirripedia

New Latin, from cirr- + -pedia footed ones (from Latin ped-, pes foot)

Keep scrolling for more

Learn More about Cirripedia

Statistics for Cirripedia

Cite this Entry

“Cirripedia.” Dictionary, Merriam-Webster, Accessed 31 May. 2020.

Comments on Cirripedia

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

May 2020 Words of the Day Quiz

  • a blooming wisteria tree
  • Which is a synonym of exiguous?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!