资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rocaille \Ro`caille"\, n. [F. Cf. {Rock} a stone.] (Art)
   (a) Artificial rockwork made of rough stones and cement, as
       for gardens.
   (b) The rococo system of scroll ornament, based in part on
       the forms of shells and water-worn rocks.