In painting. Fanciful and romantic rather than true to nature.
In architecture. Byzantine, Lombard, Saxon, and, indeed, all the debased Roman styles, between the time of Coustantine (350) and Charlemagne (800).
In literature. The dialect of Languedoc, which smacks of the Romance.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894