Definition of Sigillaria
: a genus (the type of the family Sigillariaceae) of fossil arborescent club mosses of the Middle Carboniferous
sigillaridnoun or adjective
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.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of sigillaria
New Latin, from Latin sigillum seal + New Latin -aria; from the leaf scars that resemble seals
Seen and Heard
What made you want to look up Sigillaria? Please tell us where you read or heard it (including the quote, if possible).