1. estrus

noun. ['ˈɛstrəs'] applies to nonhuman mammals: a state or period of heightened sexual arousal and activity.


  • physical condition
  • oestrus
  • physiological condition
  • physiological state
  • rut


  • cool
  • coldness
  • unemotionality
  • hyperthermia

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Words that Rhyme with Estrus

  • estrous

Example sentences of the word estrus

1. Adjective
Dogs can go into estrus twice a year; wolves only mate once each year.

2. Noun, singular or mass
At that point, it will start to seek out females in estrus.