oestrus
noun(Oes-trus)
the type genus of the family Oestridae that includes the sheep botfly
oestrus
noun(Oes-trus)
a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving : heat
oestrus
noun(Oes-trus)
a single occurrence of this state
oestrus
noun(Oes-trus)
estrous cycle
oestrus
noun(Oes-trus)
a preparatory period immediately preceding estrus and characterized by growth of graafian follicles, increased estrogenic activity, and alteration of uterine and vaginal mucosa