Crossword Genius

Causes to fall, as at Epsom (5)

Ross

I believe the answer is:

downs

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

But I can't explain it at all! Could you help me understand?

(Other definitions for downs that I've seen before include "Naturally part of SE England" , "Knocks over; drinks" , "S. England chalk hills" , "Southern uplands" , "Drinks in one" .)

Want a hint initially instead of a full solution? Install my app