ESTRUS By N., Pam M.S. - April 7, 2013 The stage in an estrous cycle where the female is receptive to the male. Also called heat. See estrous behaviour. ESTRUS: "Joe's dog was in heat and therefore in estrus." Related Psychology Terms SEXUAL IDENTIFICATION GYNANDROMORPH PROCEPTIVITY GENDER NONCONFORMITY SOLICITATION BEHAVIOR SEX TYPING BISEXUAL BEHAVIOR FORCED COPULATION ATTRACTION ESTROUS BEHAVIOR Cite this page: N., Pam M.S., "ESTRUS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/estrus/ (accessed December 11, 2019).