rinceau
/ˈrãsəʊ/Art and Architecture
noun
An ornamental motif consisting of a band of scrolling or spiralling foliage (especially vine or acanthus leaves), frequently carved, moulded, or painted.
Origin
Late 18th century; earliest use found in Robert Adam (1728–1792), architect. From French rinceau from an unattested post-classical Latin form *ramuscellus small branch, alteration of post-classical Latin ramusculus small branch.