bull header

  1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by function]
  7. building materials
  8. [masonry and masonry units]
  9. masonry units
  10. header (masonry unit)
  11. bull header
Scope note
In masonry, a brick having one rounded corner, usually laid with the short face exposed to form the brick sill under and beyond a window frame; also used as a quoin or around doorways.
bull header
Accepted term: 29-Apr-2024