es·trus also oes·trus ( s tr s)n. The periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating; heat. [New Latin, from Latin oestrus, frenzy, gadfly, from Greek oistros; see eis- in Indo-European roots.] |
| estrus (strs) A regularly recurring period in female mammals other than humans during which the animal is sexually receptive. Estrus occurs around the time of ovulation. Also called heat. |
estrus, oestrus
the condition of being in rut or sexual arousal, applied particularly to the female. Also spelled estrum, oestrum. — estrous, oestrous, adj.
See also: Animalsthe condition of being in rut or sexual arousal, applied particularly to the female. Also called est rum, oestrum. — estrous, oestrous, adj.
See also: Sex
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  estrus - applies to nonhuman mammals: a state or period of heightened sexual arousal and activityphysical condition, physiological condition, physiological state - the condition or state of the body or bodily functions |
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