Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Calamitaceae

plural noun
Cal·a·mi·ta·ce·ae | \ ˌkaləˌmīˈtāsēˌē , -məˈt- \

Definition of Calamitaceae 

: a family of fossil plants coextensive with Calamariaceae —used by strict adherents to the International Rules of Botanical Nomenclature

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!

History and Etymology for Calamitaceae

New Latin, from Calamites, type genus + -aceae

Keep scrolling for more

Learn More about Calamitaceae

Share Calamitaceae

Resources for Calamitaceae

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near Calamitaceae

calamine blue

calamint

calamistrum

Calamitaceae

calamite

calamitoid

calamitous

Statistics for Calamitaceae

Look-up Popularity

Comments on Calamitaceae

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

Show Comments  Hide Comments 

WORD OF THE DAY

milieu

the setting in which something occurs

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
Word Winder's CrossWinder

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