- A style of decorative art associated with the rococo and characterized by intricate rock, shell, and scroll motifs.
- Decorative rockwork, often incorporating these motifs.
Origin of rocailleFrench, rock fragments, rocaille, from Old French, rocky ground : roc, rock; akin to roche, rock (from Vulgar Latin *rocca) + -aille, collective and pejorative suff. (from Latin -alia, neuter pl. of -alis, adj. suff.)