Also found in: Thesaurus, Medical, Encyclopedia.
di·es·trus(dī-ĕs′trəs) also di·es·trum (-trəm)
In most female mammals, a short period of sexual quiescence between two estrus periods, during which the uterus is prepared for a fertilized ovum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Adj.||1.||diestrous - (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity|
anestrous - (of lower mammals) not in a state of estrus; not in heat; "an anestrous bitch"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.