Whether it served as a dwelling or as an enclosure for animals is a question that has not been fully resolved. What is clear is that the structure was carefully integrated into its surroundings, using the natural rock of the hill itself as one of its walls.

The site was recorded by O'Kelly in 1944, who described it in some detail. The rectangular space measures roughly 11 metres by 9 metres overall. On the north-west and south-east sides, single rows of stones form the boundary walls, while the north-east side was formed by cutting directly into the natural rock of the higher ground, to a depth of about 0.9 metres. The south-west side appears to have been closed off by an earthen bank. The entrance, positioned on the south-east side, is approximately 2.1 metres wide and sits about 4 metres from the southern corner. The jambs framing the opening, the upright stones set on either side of the gap to define and strengthen the entrance, survive to a height of around 0.45 metres. O'Kelly also noted that there are many ancient fences in the vicinity, suggesting the site sits within a broader pattern of early land use on this hillside.

The site is in Knockainy West, and an aerial photograph taken by the Archaeological Survey of Ireland in September 2002 forms part of the record held on the Sites and Monuments database. Because it is a subtle, ground-level feature rather than a prominent monument, it rewards careful attention rather than a quick glance. The levelled terrace and the quarried rock face on the uphill side are the details to look for. Access to hillside sites in this part of Limerick typically means crossing farmland, so it is worth checking land ownership and seeking permission before visiting.