Enclosures of this kind are among the most common yet least understood monument types in the Irish landscape. They typically consist of a roughly circular or oval boundary, formed from earthen banks, ditches, or stone walls, and may represent anything from an early medieval farmstead to a ceremonial or funerary site. Their ambiguity is part of what makes them interesting; the same basic form served many different purposes across several thousand years of human activity.

Trough is a small rural townland, and the enclosure there is, for the moment, one of those monuments that archaeology has catalogued but not yet fully described in accessible form. Clare as a county has an exceptionally dense concentration of such sites, a reflection both of its long settlement history and of the relatively slow pace of ground disturbance that has, in other parts of Ireland, erased comparable features entirely. Without further detail available, the enclosure at Trough remains something of an open question, a shape in the ground that has been noticed and recorded, but whose full story is still waiting to be told.