[ an-es-truhs ]

  1. not showing a period of heat or rut.

  2. of or relating to the interval of sexual inactivity between two periods of heat or rut.

Origin of anestrous

First recorded in 1905–10; an-1 + estrous
  • Also especially British, an·oes·trous [an-es-truhs, -ee-struhs] /ænˈɛs trəs, -ˈi strəs/ .

Words Nearby anestrous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024