Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. container components

Anotations

Scope note:

Embedded air pockets used as decoration of glass, comprising large, intentionally created air bubbles or tears, arranged in a decorative pattern, often in criss-crossed diagonal rows or spirals. Often seen in the stems of 18th-century and later wine glasses, particularly English.