Crossword Genius

It marked the passing of the horse-drawn vehicle (3)

Ross

I believe the answer is:

rut

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'it marked' is the first definition.
The definition suggests a singular noun which matches the answer.

'passing of the horse-drawn vehicle' is the second definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'the' is the link.

Can you help me to learn more?

(Other definitions for rut that I've seen before include "hazard in the road" , "A worn groove - don't live in one" , "Well-worn track" , "Groove or furrow - don't get into one" , "Furrow or groove as in track" .)

I've seen this clue in The Globe and Mail.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.