ro·co·co / rəˈkōkō; ˌrōkəˈkō/ • adj. (of furniture or architecture) of or characterized by an elaborately ornamental late baroque style of decoration prevalent in 18th-century Continental Europe, with asymmetrical patterns involving motifs and scrollwork. ∎ extravagantly or excessively ornate, esp. (of music or literature) highly ornamented and florid. • n. the rococo style of art, decoration, or architecture.