Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

estrus

play
noun es·trus \ˈes-trəs\

Definition of estrus

  1. :  a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving :  heat; also :  a single occurrence of this state



Origin of estrus

New Latin, from Latin oestrus gadfly, frenzy, from Greek oistros — more at ire


First Known Use: circa 1890

Rhymes with estrus


Medical Dictionary

estrus

play
noun es·trus \ˈes-trəs\

Medical Definition of estrus

  1. 1a:  a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving :  heatb:  a single occurrence of this state

  2. 2:  estrous cycle



Variants of estrus

or es·trum \-trəm\play or chiefly British oes·trus \ˈē-strəs\play play or oes·trum \ˈē-strəm\play

Learn More about estrus


Seen and Heard

What made you want to look up estrus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

16.96 pounds 2.2 pounds 100 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ