tondi
Tondi is a term that can refer to several topics. In art history, a tondo (plural tondi) is a circular painting or relief. The format originated in Italy and was widely used in the Renaissance and Baroque periods for altarpieces, medallions, and intimate portraits. The circular boundary often concentrates attention on a central figure or scene and could be set into a wall, a ceiling, or a piece of furniture.
Tondi also appears in onomastics and geography as a surname of Italian origin and as a place
In contemporary catalogs and scholarship, tondi is used as the plural form to describe multiple circular works