Amphineura

plural noun

Am·​phi·​neu·​ra
-ˈn(y)u̇rə
: a class of bilaterally symmetrical marine mollusks sometimes considered an order of Gastropoda, comprising the chitons and their related forms, having two lateral and two ventral nerve cords, and being commonly divided into the Polyplacophora and the Aplacophora
amphineuran
-rən
noun
plural -s
amphineurous
¦⸗⸗¦⸗rəs
adjective

Word History

Etymology

New Latin, from amphi- + -neura

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of Amphineura was in 1878

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near Amphineura

Cite this Entry

“Amphineura.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Amphineura. Accessed 21 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!