American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "oestrus" in a sentence
"What does it matter if adults can only see a pair of bifurcated mobile phones, with Mandeville's eye-catching groin definition creepily hinting at of mascottian oestrus or, possibly, a urinary tract infection?"
"Naftolin, A, et al. Neuronal membrane remodeling during the oestrus cycle: a freeze-freacture study in the arcuate nucleus of the rat hypothalemus."
"I didn't even know that dogs menstruated, or estrated -- make that "underwent estrus" (or is it oestrus?)."