Sexostiatae

plural noun
Sex·​os·​ti·​a·​tae | \ ˌsekˌsästēˈāt(ˌ)ē \

Definition of Sexostiatae

in some classifications
: a group of spiders distinguished by the presence of six cardiac ostia

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 Sexostiatae

New Latin, from sex- + ostium + Latin -atae, feminine plural of -atus -ate

Learn More About Sexostiatae

Dictionary Entries Near Sexostiatae

sexology

Sexostiatae

sexostiate

See More Nearby Entries 

Statistics for Sexostiatae

Cite this Entry

“Sexostiatae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Sexostiatae. Accessed 13 Aug. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!