rut
n 1: a groove or furrow (especially one in soft earth caused by
wheels)
2: a settled and monotonous routine that is hard to escape;
"they fell into a conversational rut" [syn: {groove}]
3: applies to nonhuman mammals: a state or period of heightened
sexual arousal and activity [syn: {estrus}, {oestrus}, {heat}]
[ant: {anestrus}]
v 1: be in a state of sexual excitement; of male mammals
2: hollow out in the form of a furrow or groove; "furrow soil"
[syn: {furrow}, {groove}]