[ad. L. aggerātiōnem n. of action f. aggerā-re: see prec.] A heaping up; the raising of a heap. In Archæology the supposed raising of a mound, as an inclined plane for the elevation and erection of standing or elevated stones, such as those of Stonehenge, etc.
1692. Ray, Diss. of World, v. § 1 (L.). By these various aggerations of sand and silt the sea is closely cut short and driven back.
1832. Southey, Lett. (1856), IV. 289. I think the stones are more likely to have been raised by mechanical means than by the rude process of aggeration.
