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Noun: rut  rút
  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";
    - groove
  3. Applies to nonhuman mammals: a state or period of heightened sexual arousal and activity
    - estrus [N. Amer], oestrus [Brit], heat
Verb: rut (rutted,rutting)  rút
  1. Be in a state of sexual excitement; of male mammals
  2. Hollow out in the form of a furrow or groove
    "rut soil";
    - furrow, groove

Derived forms: rutting, rutted, ruts

Type of: be, channel, cut into, delve [archaic], dig, groove, MO, modus operandi, physical condition, physiological condition, physiological state, routine, turn over

Antonym: anoestrus

Encyclopedia: Rut, Tolmin