Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. agricultural equipment

Narrower term/s

• fanning mills
• grain riddles
• winnowing trays
• winnowing baskets [NP]
• winnowing screens
• winnowing machines

Anotations

Scope note:

General term for devices used for winnowing, which is separating grain from the lighter chaff or other refuse matter, by using a current of air, agitation, gravity, or other means to make the separation. Devices may range from a simple woven basket to a mechanized device.