WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / O / oestrus oestrus noun /istrəs/ 2 syllables 7 letters Scrabble 7 WWF 8 Definitions noun type genus of the Oestridae: sheep botflies genus oestrus noun applies to nonhuman mammals: a state or period of heightened sexual arousal and activity estrusheatrut Look “oestrus” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →