Earthworks of this kind are among the most common and least understood features of the Irish countryside. The term covers a broad range of constructed or modified ground forms, from the banks and ditches of enclosures to the raised profiles of ancient field systems, platform sites, or ceremonial monuments. Without further detail, what exactly this particular earthwork represents, its age, its function, its dimensions, remains an open question.

Rossmanagher is a townland in the barony of Bunratty Lower, a part of Clare with a reasonably dense archaeological landscape shaped by centuries of farming, settlement, and social organisation stretching back into prehistory. Earthworks in such areas can date from almost any period, from the Bronze Age through to the post-medieval era, and distinguishing between them without excavation or detailed survey is rarely straightforward. The fact that this one has been flagged as a monument at all suggests something in its form or setting that caught the attention of surveyors, even if the specifics have not yet been made available.