Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by location or context]
8. [single built works by location: topographical]
9. earthworks (engineering works)
10. cuts (earthworks)
11. ditches
12. fosses

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment
4. Single Built Works
5. single built works
6. single built works by specific type
7. single built works by function
8. hydraulic structures
9. hydraulic structures by function
10. flood protection works
11. dikes

Anotations

Scope note:

Large ditches dug as a simple fortification or part of a larger fortification. Usually include a bank built up from the earth removed from the ditch. Generally less extensive than "moats."