Ichthyotomi

plural noun

Ich·​thy·​ot·​o·​mi

: a subclass or order of Chondrichthyes comprising chiefly Carboniferous and early Permian sharks having a slender and elongated body with diphycercal tail and archipterygial fins compare pleuracanthus

ichthyotomous

¦⸗⸗¦ätəməs

adjective

Word History

Etymology

New Latin, from ichthy- + -tomi (from Greek temnein to cut)

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!