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estrum
Variant of estrus
noun
- the periodic sexual excitement of most female placental mammals, corresponding to rut in males; heat
- the period of this when the female will accept mating with the male, characterized by changes in the sex organs
Also estrum
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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