rut (
http://definr.com/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]