1) A gridiron, a device for broiling fish and meat dishes over an open fire.
1377 2 kymnays ... 1 rostyrin, Hackness
1395 It. pro j rost yryne xviijd, Whitby
c.1500 j gratt and j royste yryn iiijd, York
1519 the roste yerne in the same where [choir] set in the chapitour, York Minster. In view of the strange location in this latter case it was suggested by the editor that it served to bake the singing-breads.