# monestrous

> English word · Adjective

## Definitions
1. Of or pertaining to a mammal, such as the dog, that only enters into heat once during each of its normal breeding cycles.

## Etymology
From mon- + estrous.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/monestrous