rut > define

A groove or furrow (especially one in soft earth caused by wheels. )
A settled and monotonous routine that is hard to escape.
- usage: "they fell into a conversational rut"
- synonyms: groove
Applies to nonhuman mammals: a state or period of heightened sexual arousal and activity.
- synonyms: estrus, oestrus, heat

Be in a state of sexual excitement; of male mammals.
Hollow out in the form of a furrow or groove.
- usage: "furrow soil"
- synonyms: furrow, groove

(n.) Sexual desire or oestrus of deer, cattle, and various other mammals; heat; also, the period during which the oestrus exists.
(v.i.) To have a strong sexual impulse at the reproductive period; -- said of deer, cattle, etc.
(n.) Roaring, as of waves breaking upon the shore; rote. See Rote.
(v.t.) To cover in copulation.
(n.) A track worn by a wheel or by habitual passage of anything; a groove in which anything runs. Also used figuratively.
(v.t.) To make a rut or ruts in; -- chiefly used as a past participle or a participial adj.; as, a rutted road.

by Webster's Revised Unabridged Dictionary

Rut is a feminine given name