(n) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus, Syn.anoestrum, anestrum, anoestrus, Ant.estrus
adj. in a period of sexual inactivity; -- of animals that have several estrous cycles in one breeding season. Syn. -- diestrous, diestrual. [ WordNet 1.5 ]
a. [ See oestrus. ] (Physiol.) Of or pertaining to sexual desire; -- mostly applied to brute animals; as, the oestrual period; oestrual influence. [ 1913 Webster ]
‖n. [ L., a gadfly; also, frenzy, fr. Gr. &unr_; gadfly; hence, sting, fury, insane desire, frenzy. ] 1. (Zool.) A genus of gadflies. The species which deposits its larvae in the nasal cavities of sheep is oestrus ovis. [ 1913 Webster ]
2. A vehement desire. [ 1913 Webster ]
3.Specifically: (Physiol.) The periodical sexual impulse of animals; the period during which female animals are most receptive to males; heat; rut. [ 1913 Webster +PJC ]
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