diestrual adj 1: (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity [syn: {diestrous}, {dioestrous}, {diestrual}, {dioestrual}]
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 1.5]