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A tropical fever once believed to be caused by the heat.
[Spanish calentura, from calentar, to heat, from Latin calēns, calent-, present participle of calēre, to be warm; see kelə- in Indo-European roots.]
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.
(Pathology) a mild fever of tropical climates, similar in its symptoms to sunstroke
[C16: from Spanish calentura fever, ultimately from Latin calēre to be warm]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cal•en•ture(ˈkæl ən tʃər, -ˌtʃʊər)
a violent fever with delirium, affecting persons in the tropics.
[1585–95; earlier calentura < Sp: fever]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
a tropical f ever accompanied by delirium.See also: Disease and Illness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.