This ancient stone features the characteristic cup-shaped depression that gives bullaun stones their name; these hollows were likely used for grinding grain or herbs, though some scholars suggest they may have held holy water or been used in other ritual practices. Like many of Ireland's archaeological treasures, this particular example awaits comprehensive documentation by the Archaeological Survey of Ireland.

Bullaun stones are found throughout Ireland, often near early ecclesiastical sites, holy wells, and ancient settlements. The Ballyrattan example joins hundreds of others scattered across the countryside, each one a tangible link to the daily lives and spiritual practices of our ancestors. These stones blur the line between the practical and the sacred; whilst they certainly served mundane purposes like food preparation, folklore attributes healing properties to the rainwater that collects in their basins, and some were incorporated into Christian pilgrimage traditions.