Fowre Burrows, fowre litle hills raysed upon the vaste Downes nere the north sea; they stande together, and are the burialls of slayne men in the feylde. In those partes are manie like borrowes, as in manie partes ells of Englande, upon the spatious playnes wher, in the Saxon and Danish Broyles, battells have bene fowghte.
From John Norden’s “Speculi Britanniæ pars: a topographical and historical description of Cornwall”, written in the beginning of the 17th century. (I have transcribed this from the scan on Google Books.)