septocosta

noun
sep·​to·​costa | \ ¦septə+ \

Definition of septocosta

: an external costa on the calyx of a coral that marks the position of or is a continuation of a radial septum

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 septocosta

New Latin, from sept- + costa

Keep scrolling for more

Learn More about septocosta

Statistics for septocosta

Cite this Entry

“Septocosta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/septocosta. Accessed 6 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on septocosta

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

WORD OF THE DAY

Test Your Vocabulary

Who Knew?

True or False

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

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!