ruts is a form of:

Rut



noun
1.
(A track or furrow, a fixed fourteen procedure, fixed or mechanical way of acting or thinking, settled way of living) rut in the road ស្នាមខូង (ដោយរថ បើកបរលើ)
Example: The rut in the road is filled with water.
2.
(the periodic sexual excitement of certain mammals) ការកាល់ញី
ENGLISH MEANING
noun
1.
Sexual desire or oestrus of deer, cattle, and various other mammals; heat; also, the period during which the oestrus exists.
2.
Roaring, as of waves breaking upon the shore; rote.
3.
A track worn by a wheel or by habitual passage of anything; a groove in which anything runs. Also used figuratively.
verb
1.
(TRANSITIVE) To make a rut or ruts in; -- chiefly used as a past participle or a participial adj.; as, a rutted road.
2.
(INTRANSITIVE) To have a strong sexual impulse at the reproductive period; -- said of deer, cattle, etc.
3.
(TRANSITIVE) To cover in copulation.