That spare designation, a word that could describe anything from a prehistoric ringfort to a walled field boundary, is currently almost all that is formally on record. The site exists as a named monument, catalogued and assigned its place in the national inventory, yet the details that would tell us what it looked like, how old it is, or what it once contained have not yet been made publicly available.

Faunarooska sits in County Clare, a county whose limestone landscape holds an unusual density of archaeological remains, from the cashels and ringforts of the Burren to less-visited earthworks tucked into ordinary agricultural land. An enclosure, in the archaeological sense, typically refers to a defined area bounded by a bank, ditch, wall, or some combination of these, and such features were put to many uses across Irish prehistory and the early medieval period: settlement, ritual, the management of livestock, the marking of territory. Without further detail it is not possible to say which of these purposes, if any, applied here. The name Faunarooska itself is likely derived from Irish, though its precise meaning awaits the kind of local and linguistic investigation that often accompanies a fuller site record.