Furrow (3)
'furrow' is the definition.
(rut is a kind of furrow)
This is the entire clue.
(Other definitions for rut that I've seen before include "deer find it exciting" , "Groove worn in surface" , "Pothole" , "does get followed during this" , "Deep track in soft ground" .)
'furrow' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for trough that I've seen before include "Long narrow water-storer for animals" , "Hollow; channel" , "Gutter; depression" , "period when little is achieved" , "Pigswill container" .)
'furrow' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for trench that I've seen before include "Drain" , "Military cut in the earth" , "A military ditch for soldiers" , "Ditch, as a fortification say" , "Fish; move on ice" .)
'furrow' is the definition.
(synonyms)
This is all the clue.
(Other definitions for groove that I've seen before include "Long thin furrow" , "Rut - routine" , "Get down" , "Spiral track followed by a gramophone needle" , "Established routine" .)