Examples from the Web for hayfield
The first one I ever saw was in a hayfield above a town called Suha Reka.
It was hay harvest and there were extra hands at work, extra cooking to do, and many journeys to be made to and from the hayfield.White Lilac; or the Queen of the May|Amy Walton
The day was warm and fine as the previous one had been—when you saw Maria Godolphin walking through the hayfield.The Shadow of Ashlydyat|Mrs. Henry Wood
So far as I have heard, that is the last visit Hayfield has had from the little men in green.The Old-Fashioned Fairy Book|Constance Cary Harrison
When summer came what joy there was in the hayfield, and how sweet the smell of the new-mown hay!Christopher Crayon's Recollections|J. Ewing Ritchie
Now, the air was fresh with the dew and sweet from hayfield and meadow; and the birds were singing like mad all around.The Wide, Wide World|Susan Warner