Sigillaria

noun

Sig·​il·​lar·​ia

ˌsijəˈla(a)rēə

: a genus (the type of the family Sigillariaceae) of fossil arborescent club mosses of the Middle Carboniferous

sigillarid

¦⸗⸗¦⸗rə̇d

noun or adjective

Word History

Etymology

New Latin, from Latin sigillum seal + New Latin -aria; from the leaf scars that resemble seals

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!