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Variant of estrus.
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.
oestrus(ˈiːstrəs; ˈɛstrəs) ,
(Zoology) a regularly occurring period of sexual receptivity in most female mammals, except humans, during which ovulation occurs and copulation can take place; heat
[C17: from Latin oestrus gadfly, hence frenzy, from Greek oistros]
ˈoestrous, ˈoestral, ˈestrous, ˈestral adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a recurring period of maximum sexual receptivity in most female mammals other than humans; heat.
[1885–90; < Latin oestrus < Greek oîstros gadfly, sting, frenzy]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
the condition of being in rut or sexual arousal, applied particularly to the female. Also spelled estrum, oestrum. — estrous, oestrous, adj.See also: Animals
the condition of being in rut or sexual arousal, applied particularly to the female. Also called est rum, oestrum. — estrous, oestrous, adj.See also: Sex
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||oestrus - applies to nonhuman mammals: a state or period of heightened sexual arousal and activity|
|2.||Oestrus - type genus of the Oestridae: sheep botflies|
arthropod genus - a genus of arthropods
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.