Xiphosura

plural noun
Xiph·​os·​ura | \ ˌzifəˈsu̇rə \

Definition of Xiphosura

: an order of arthropods comprising the horseshoe crabs and extinct related forms and usually including only the two recent genera Limulus (synonym Xiphosurus) with representatives along the American coast of the Atlantic and Tachypleus with species along the Asiatic coast of the Pacific

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 Xiphosura

xiphosuran \ ¦⸗⸗¦su̇rən \ adjective or noun
xiphosure \ ˈ⸗⸗ˌsu̇(ə)r \ noun, plural -s
xiphosurous \ ¦⸗⸗¦su̇rəs \ adjective

History and Etymology for Xiphosura

New Latin, from Greek xiphos sword + New Latin -ura

Keep scrolling for more

Learn More About Xiphosura

Statistics for Xiphosura

Cite this Entry

“Xiphosura.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Xiphosura. Accessed 16 Jun. 2021.

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

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Dog Breeds

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!