arches

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  2. top of the aat hierarchies
  3. Objects Facet
  4. Components (hierarchy name)
  5. components (objects parts)
  6. [components by specific context]
  7. architectural elements
  8. [structural elements and components for structural elements]
  9. structural elements
  10. [spanning and projecting structural elements]
  11. [arches and arch components]
  12. arches
Scope note
Structural elements, typically curved, spanning openings and transmitting vertical loads to either side of the opening; also, structural elements or freestanding structures that resemble arches or act structurally like arches.
arches
Accepted term: 05-Jan-2026