Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. building materials
7. [masonry and masonry units]
8. masonry (building materials)
9. stonework

Anotations

Scope note:

Building material comprising masonry in which the outer faces of the wall are ashlar, the space between being filled with broken stone and mortar. Cross layers of stone are interlaid as binders. Introduced by the Ancient Greeks and adopted by the Romans.