'diestrual' definitions:

Definition of 'diestrual'

From: WordNet
adjective
(of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity [syn: diestrous, dioestrous, diestrual, dioestrual]

Definition of 'diestrual'

From: GCIDE
  • 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]