ˈfʌɹoʊ ˈfʌɹəʊ ɡɹuːv ɡɹuv ɡɹuːv ɡɹuv ˈiːstɹəs

a settled and monotonous routine that is hard to escape they fell into a conversational rut hollow out in the form of a furrow or groove furrow soil be in a state of sexual excitement; of male mammals a groove or furrow (especially one in soft earth caused by wheels) applies to nonhuman mammals: a state or period of heightened sexual arousal and activity