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Any of various extinct, chiefly Carboniferous trees of the genus Calamites, anatomically similar to the modern-day herbaceous horsetails (Equisetum).

[New Latin Calamītēs, genus name, from Late Greek kalamītēs, reedlike, from Greek kalamos, reed.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Plants) any extinct treelike plant of the genus Calamites, of Carboniferous times, related to the horsetails
[C19: from New Latin Calamītes type genus, from Greek kalamitēs reedlike, from kalamos reed]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkæl əˌmaɪt)

any fossil plant of the genus Calamites and related genera of the Carboniferous Period, resembling oversized horsetails.
[1745–55; < New Latin Calamites < Greek kalamitēs reedlike]
cal`a•mi′te•an, adj.
ca•lam•i•toid (kəˈlæm ɪˌtɔɪd) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Ce principe de l'egalite devant l'impot trouve d'ailleurs son fondement dans les conventions et traites internationaux en la matiere et dans la Constitution du Maroc qui dispose dans son article 39 que [beaucoup moins que]Tous supportent, en proportion de leurs facultes contributives, les charges publiques que seule la loi peut, dans les formes prevues par la presente Constitution, creer et repartir[beaucoup plus grand que], et dans son article 40 que [beaucoup moins que]Tous supportent solidairement et proportionnellement a leurs moyens, les charges que requiert le developpement du pays, et celles resultant des calamites nationales et des catastrophes naturelles[beaucoup plus grand que].
Meanwhile, Pinol said there is a need for institutional change in handling calamites like El Nino, drought, and other weather disturbances.
"Mon pays offre egalement son aide humanitaire a ses freres frappes par les calamites naturelles, lutte intensement contre le terrorisme destabilisateur ainsi que contre les circuits de migration clandestine qui s'enrichissent sur la misere sociale des autres en Afrique", a rappele Ouyahia, avant de mettre en exergue "l'engagement de l'Algerie et sa disponibilite pour toute action nationale ou collective de nature a concourir au reglement de cette tragedie humaine".
The Balanga prelate also called on the faithful to pray to God for the rains to stop by reciting the "oratio imperata" (mandatory prayer) against calamites.
The speakers on the occasion appreciated the PRCS activities and functions in Bajaur Agency, saying the PRCS is playing great role in provision of relief and assistant to the victims of natural and manmade disasters and calamites.
All manner of calamites, some engineered and other just plain misfortune, was their lot.
Commentaries about Kenya's current crisis invariably compare it to the one that followed the deeply flawed 2007 presidential election, but none of the comparisons have looked at the role the two declared presidents played in resolving, or perpetuating, the calamites that rigging produced in each case.
This behaviour usually emerges in time of calamites and is greatly laudable.
But some of those human tragedies, real human calamites stand out in my mind, as they do in the minds of the colleagues who also investigated and prosecuted these crimes.