Pleuromeia

noun

Pleu·​ro·​me·​ia

plu̇ˈrōmēə

: a genus of Triassic fossil plants that is included in Lepidodendrales or isolated in a separate order, has characters in common with the genera Sigillaria and Isoetes, and is marked by an unbranched trunk arising from an enlarged lobulated root-bearing base terminating in a crown of long ligulate leaves, and bearing heterosporous cones at its apex

Word History

Etymology

New Latin, from pleur- + International Scientific Vocabulary -ome + New Latin -ia

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!