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. shape (form attribute)

Anotations

Scope note:

An outline or form combining elements of oval and triangular, typically having three sides, often rounded, with the form being wider at the top and tapering to a point at the bottom; the name refers to a common shape of medieval shields or escutcheons. The term is used, for example, with reference to the backs of Federal and similar types of chairs, and for a certain shape for cut gems.