Learn how to say Rocaille correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word rocaille:
1 [mass noun] an 18th-century artistic or architectural style of decoration characterized by elaborate ornamentation with pebbles and shells, typical of grottos and fountains:
a room with walls in rocaille like those of fountains in a park
heavy frames of gilt rocaille stucco-work
2a tiny ornamental bead:
rocailles are available in a range of opaque colours
French, from roc ‘rock’