What is the meaning of the furniture term Rim?

In the context of furniture, the term rim typically refers to the outer edge or border of a piece of furniture, such as a tabletop or a chair seat. It can also refer to the encircling frame or band that supports or reinforces certain parts of furniture, like the rim of a wheel on a chair or table. Generally, the rim serves to provide structural stability and aesthetic appeal to the furniture piece. Dished top. Rolled-up or raised edge, as on 18th century tables.