Xiphosura

plural noun

Xiph·​os·​ura

ˌzifəˈsu̇rə

: 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

xiphosuran

¦⸗⸗¦su̇rən

adjective or noun

xiphosure

ˈ⸗⸗ˌsu̇(ə)r

noun

plural -s

xiphosurous

¦⸗⸗¦su̇rəs

adjective

Word History

Etymology

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

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