pullringking said:Hi Roland , could be some sort of feeder, I use a chicken feeder and it is the same shape as your find, grain is put into outer rim and mound in centre is there to prevent birds from walking through feed and pooing in it.
I do hope it turns out to be a bit more exciting than my suggestion. Oh by the way the hole is probably there for drainage when it is left out in the rain!
Pullringking.
Thank you, Sir!! That makes perfect sense. I will do a little research and see what comes up.