Plectospondyli

plural noun

Plec·​to·​spon·​dy·​li

in some classifications

: an order or other group comprising fishes with the anterior vertebrae modified and united and usually being more or less coextensive with Ostariophysi

plectospondylous

¦⸗⸗¦spändələs

adjective

Word History

Etymology

New Latin, from plect- + -spondyli

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!