The Collaborative International Dictionary
diestrual
diestrous \diestrous\ diestrual \diestrual\adj. in a period of sexual inactivity; -- of animals that have several estrous cycles in one breeding season.
Syn: dioestrous, dioestrual.
WordNet
diestrual
adj. (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity [syn: diestrous, dioestrous, dioestrual]