Romanesque (adj.)

1715, originally "descended from Latin" (compare romance), later "architectural style in Europe between Roman and Gothic periods" (1819), from Roman, influenced by French romanesque, from Late Latin Romanice "in Vulgar Latin" (see romance (n.)).

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Definitions of Romanesque from WordNet

Romanesque (n.)
a style of architecture developed in Italy and western Europe between the Roman and the Gothic styles after 1000 AD; characterized by round arches and vaults and by the substitution of piers for columns and profuse ornament and arcades;
Synonyms: Romanesque architecture