WordReference Random House Unabridged Dictionary of American English © 2026
pol•y•es•trous
(pol′ē es′trəs),USA pronunciation adj.
- Physiology, Zoologyhaving several estrus cycles annually or during a breeding season.
- poly- + estrous 1895–1900
'polyestrous' also found in these entries (note: many are not synonyms or translations):