A tondo is a Renaissance term for a circular work of art, either a painting or a sculpture. The word derives from the Italian rotondo, "round". The term is usually not used in English for small round paintings, but only those over about 60 cm in diameter, thus excluding many round portrait miniatures – for sculpture the threshold is rather lower.
Fra Angelico and Fra Filippo Lippi, Adoration of the Magi, c. 1440/1460, National Gallery of Art
Portrait of family of Septimius Severus, so-called Severan Tondo, Roman painting of c. 200 AD, Altes Museu, Berlin
Andrea della Robbia, Madonna and Child with Cherubin, 1485
Michelangelo, Pitti Tondo, c. 1504–05, Uffizi
In the pottery of ancient Greece, a kylix is the most common type of cup in the period, usually associated with the drinking of wine. The cup often consists of a rounded base and a thin stem under a basin. The cup is accompanied by two handles on opposite sides.
Symposium scene on pottery
Example of a kylix with an offset lip
Example of a Type A kylix
Example of a kylix type B