1900, in the meaning defined above
Time Traveler for polyestrous
See more words from the same year
Cite this Entry
“Polyestrous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyestrous. Accessed 30 Jun. 2022.
More Definitions for polyestrous
More from Merriam-Webster on polyestrous
Britannica.com: Encyclopedia article about polyestrous
See Definitions and Examples »
Get Word of the Day daily email!
Great Words for Scrabble
Test your visual vocabulary with our 10-question challenge!
A daily challenge for crossword fanatics.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
As illustrated by some very smart pups
Bikini, bourbon, and badminton were places first
Do you take pride in Pride?
Look up any year to find out
How to use a word that (literally) drives some pe...
We're intent on clearing it up
Editor Emily Brewster clarifies the difference.
"The public is a hot mess"
You’re gonna need some moxie to ace this quiz
Take the quiz
Take a (break/brake) and (pore/pour) over this (c...
Test your visual vocabulary with our 10-question ...
Can you outdo past winners of the National Spelli...