Calamite :: Calamite (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..
Calamitous :: Calamitous (a.) Producing, or attended with distress and misery; making wretched; wretched; unhappy..
Calamity :: Calamity (n.) Any great misfortune or cause of misery; -- generally applied to events or disasters which produce extensive evil, either to communities or individuals..
Calamity :: Calamity (n.) A state or time of distress or misfortune; misery.