Subscriber login


Forgot your password?

Library card login

Other

estrus

Syllabification: (es·trus)
Pronunciation: /ˈestrəs/
(also estrum or chiefly British oestrus)
Definition of estrus

noun

  • a recurring period of sexual receptivity and fertility in many female mammals; heat:a mare in estrus

Derivatives

estrous

Pronunciation: /ˈestrəs/
adjective

Origin:

late 17th century: from Greek oistros 'gadfly or frenzy'

estrus in other Oxford dictionaries

Definition of estrus in the British & World English dictionary
  |  Cite
Oxford Dictionaries Pro

For Oxford's best resources for writers, plus thesaurus, audio, and 1.9m examples.

Shop for an Oxford dictionary

Find the perfect Oxford dictionary for you in our online shop.
SHOP NOW ►

Word of the day

monocular

/ məˈnɒkjʊlə /
adjective , noun
with, for, or in one eye …