rut has definitions from the field of biology
1
[ noun ] a groove or furrow (especially one in soft earth caused by wheels)

Used in print

(Peter J. White, "Report on Laos"...)

We rode over roads so rough that our Jeep came to rest atop the soil between ruts , all four wheels spinning uselessly .

Related terms

groove furrow

2
[ noun ] a settled and monotonous routine that is hard to escape

Synonyms

groove

Examples

"they fell into a conversational rut"

Used in print

(W. E. B. DuBois, Worlds of Color....)

Wilson stressed the fact that clear as this was , they must have a better church , a more business-like conduct of the church organization , and an effort to get this religious center out_of its rut of wild worship into a modern church organization .

Related terms

routine

3
[ verb ] hollow out in the form of a furrow or groove

Synonyms

furrow groove

Examples

"furrow soil"

Related terms

dig groove furrow

4
[ verb ] be in a state of sexual excitement; of male mammals

Related terms

be estrus

5
[ noun ] (biology) applies to nonhuman mammals: a state or period of heightened sexual arousal and activity

Synonyms

heat oestrus estrus

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