Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Genres (hierarchy name)
4. object genres (object classifications)
5. [object genres by form]

Narrower term/s

• siphons (tubes) [NP]

Anotations

Scope note:

Hollow, usually cylindrical objects, long in proportion to their diameter, sometimes flexible; in varied forms these may be used for conveying or containing fluids or vapor, or for containing other materials such as paper or textiles.