come in heat

come in(to) heat

To be in a state of sexual excitement and able to breed, as of a female animal. Do you hear the stray cat howling and screeching at night? She must have come into heat.
See also: come, heat
Farlex Dictionary of Idioms.

come in(to) heat

 and come in(to) season
[for a female animal] to enter into the breeding season. This animal will come into heat in the spring. When did your dog come in season?
See also: come, heat
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • be in heat
  • come in(to) heat
  • come in(to) season
  • come into season
  • in heat
  • get in(to) heat
  • go in(to) heat
  • howling
  • howling success
  • be a howling success