'monestrous' definitions:
Definition of 'monestrous'
From: WordNet
adjective
Having one estrous cycle per year [syn: monestrous, monoestrous]
Definition of 'monestrous'
From: GCIDE
- monestrous \mon*es"trous\, a. (Zool.) Having only one estrus period per breeding cycle or per year; -- of certain mammals. [PJC]