Estrus Definition

estrəs; Brit usually ēstrəs
noun
The periodic sexual excitement of most female placental mammals, corresponding to rut in males; heat.
Webster's New World
The period of this when the female will accept mating with the male, characterized by changes in the sex organs.
Webster's New World

(American) Alternative spelling of oestrus.

Wiktionary
Synonyms:
Antonyms:

Other Word Forms of Estrus

Noun

Singular:
estrus
Plural:
estruses

Origin of Estrus

  • New Latin from Latin oestrus frenzy, gadfly from Greek oistros eis- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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