Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Sigillariaceae

plural noun
Sig·​il·​lar·​i·​a·​ce·​ae

Definition of Sigillariaceae

: a family of arborescent Carboniferous club mosses (order Lepidodendrales) that have the trunks marked with vertical rows of leaf scars suggesting 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!

Other Words from Sigillariaceae

sigillariaceous \ ¦⸗⸗ˌ⸗⸗¦āshəs \ adjective

History and Etymology for Sigillariaceae

New Latin, from Sigillaria, type genus + -aceae

Keep scrolling for more

Learn More about Sigillariaceae

Statistics for Sigillariaceae

Look-up Popularity

Comments on Sigillariaceae

What made you want to look up Sigillariaceae? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

continual

Listen to the pronounciation of continual

recurring in steady succession

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games