These depressions are what make it a bullaun stone, a class of ancient carved rock found across Ireland, typically featuring one or more cup-shaped basins whose original purpose remains genuinely uncertain. Ritual use, grain grinding, and water collection have all been proposed, and in many cases the answer is probably some combination of the three, shifting in meaning across generations of use.

The stone here is modest in scale, measuring roughly 0.48 metres by 0.6 metres, with a central hollow about 0.21 metres in diameter and 0.12 metres deep on one side, and a shallower subcircular hollow of the same diameter but only 0.03 metres deep on the reverse. Its setting adds to its interest. A fulacht fiadh, a type of burnt mound associated with prehistoric cooking or industrial activity, forms the immediate context, and a ringfort lies approximately 20 metres to the south-south-west. A quern stone, used for hand-grinding grain, was found in the same field, suggesting a site where traces of domestic and ceremonial activity have accumulated across a long span of time. Whether the bullaun belongs to the same period as the fulacht fiadh, the ringfort, or to some other phase of occupation entirely is not clear, but the cluster points to ground that was returned to, worked, and presumably valued over many centuries.