From The Collaborative International Dictionary of English v.0.48:
Rut \Rut\, n. [F. rut, OF. ruit, L. rugitus a roaring, fr. rugire to roar; -- so called from the noise made by deer in rutting time.] 1. (Physiol.) Sexual desire or oestrus of deer, cattle, and various other mammals; heat; also, the period during which the oestrus exists. [1913 Webster]
2. Roaring, as of waves breaking upon the shore; rote. See Rote. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Rut \Rut\, v. i. [imp. & p. p. Rutted; p. pr. & vb. n. Rutting.] To have a strong sexual impulse at the reproductive period; -- said of deer, cattle, etc. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Rut \Rut\, v. t. To cover in copulation. --Dryden. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Rut \Rut\, n. [variant of route.] A track worn by a wheel or by habitual passage of anything; a groove in which anything runs. Also used figuratively. [1913 Webster] [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Rut \Rut\, v. t. To make a rut or ruts in; -- chiefly used as a past participle or a participial adj.; as, a rutted road. [1913 Webster]