Rhipidistia

plural noun

Rhip·​i·​dis·​tia
ˌripəˈdistēə
: an order of extinct crossopterygian fishes that have the basal bones of the median fins united into one mass see holoptychiidae , osteolepidae
rhipidistian
¦⸗⸗¦distēən
adjective or noun
rhipidistid
-tə̇d
adjective or noun

Word History

Etymology

New Latin, from rhipid- + Greek histia, plural of histion sail; akin to Greek histanai to cause to stand

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!

Dictionary Entries Near Rhipidistia

Cite this Entry

“Rhipidistia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rhipidistia. Accessed 28 Mar. 2024.

Love words? Need even more definitions?

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