Definition of calamites in English:

Share this entry


Pronunciation: /ˌkaləˈmʌɪtiːz/

noun (plural same)

A swamp plant with jointed stems that belonged to an extinct group related to the horsetails, growing to a height of 18 m (60 ft).
  • Calamites and other genera, family Calamitaceae, class Sphenopsida.
Example sentences
  • The latter group comprises the archaeocalamites, calamites, and horsetails.
  • Coal forests of giant lycopods, calamites, pteridophytes and ferns cover the tropical landmasses.
  • The old tropical coal swamps (with their giant lycopods, calamites, and cordaitales) declined and disappeared with the drier and cooler climate, surviving only in China and in high latitudes of Pangaea.


Modern Latin, from calamus.

For editors and proofreaders

Line breaks: cala|mites

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.