(n.) A fossil plant of the coal formation, having the general form of plants of the modern Equiseta (the Horsetail or Scouring Rush family) but sometimes attaining the height of trees, and having the stem more or less woody within. See Acrogen, and Asterophyllite.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). calamite. Retrieved September 22, 2026, from http://smartdefine.org/calamite/definitions/1983794 |
| Chicago | Webster's. 2011. "calamite" http://smartdefine.org/calamite/definitions/1983794 (accessed September 22, 2026). |
| Harvard | Webster's 2011, calamite, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/calamite/definitions/1983794>. |
| MLA | Webster's. "calamite" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/calamite/definitions/1983794> |