
m] , oestrus. the period of heat or rut; the period of maximum sexual receptivity of the female. estrus (ˈɛstrəs, ˈiːstrəs) ![]() | |
| —n | |
| the usual US spelling of oestrus | |
| 'estrous | |
| —adj | |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| estrus (ěs'trəs) Pronunciation Key
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. |