1. (of lower mammals) showing or in a state of estrus; in heat
   "the estrous state"; "the estrous cycle"

See also: estrus [N. Amer], monestrous, monoestrous, polyestrous, polyoestrous

Antonym: anestrous

Encyclopedia: Estrous

• killable
• Killarney fern
• killdeer
• killdeer plover
• killer
• killer bee
• killer cell
• killer T cell
• killer whale
• killick
• killifish
• killing
• killing field
• killing zone
• killingly
• killjoy
• killock
• kiln
• kiln-dried
• kilo
• kilobit
• kilobyte
• kilocalorie
• kilocycle
• kilocycle per second