Fanciful but graceful asymmetric ornamentation in art and architecture that originated in France in the 18th century WordNet 3.0 & Open English WordNet

Rococo, less commonly Roccoco, also known as Late Baroque, is an exceptionally ornamental and dramatic style of architecture, art and decoration which combines asymmetry, scrolling curves, gilding, white and pastel colours, sculpted moulding, and trompe-l'œil frescoes to create surprise and the illusion of motion and drama. Wikipedia

Style of 18th-century French art and interior design. Wikipedia Disambiguation

A style of baroque architecture and decorative art, from 18th-century France, having elaborate ornamentation. Wiktionary

Style of baroque architecture etc. Wiktionary (translation)