Merriam-Webster Logo
SINCE 1828
dictionary
thesaurus
view recents

hypocleidium

noun
Save Word
hy·​po·​clei·​di·​um
plural hypocleidia\ -​ēə \

Definition of hypocleidium

: a median process on the wishbone of many birds often connected with the sternum by a ligament or ossified with it

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 hypocleidium

New Latin, from hypo- + Greek kleidion small key, diminutive ofkleid-, kleis key, hook, clavicle

Keep scrolling for more

Learn More about hypocleidium

Statistics for hypocleidium

Cite this Entry

“Hypocleidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypocleidium. Accessed 13 Jun. 2021.

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

WORD OF THE DAY

titanic

Listen to the pronunciation of titanic

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!
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
AlphaBear 2

Spell words. Make bears.

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