Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]
5. form attributes
6. size/dimensions
7. [size/dimensions by unit]
8. [size/dimension units for weight]

Anotations

Scope note:

In avoirdupois measure, standardized units of weight and mass equal to 16 ounces (7000 grains, exactly 0.45359237 kg). The pound was originally made up of 12 ounces, as in the system of troy weight which is still used in stating the weight of precious metals.