Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Transportation Vehicles (hierarchy name)
5. vehicles (transportation)
6. land vehicles
7. [land vehicles by form]
8. freewheeled vehicles
9. [freewheeled vehicles by form or function]
10. passenger vehicles

Anotations

Scope note:

Any of various wheeled vehicles designed primarily for carrying infants; may be pushed or pulled and are often wagonlike or carriagelike in appearance. For vehicles designed primarily for pushing small children sitting upright, prefer "strollers."