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An ornamental border formed of two or more curved bands that interlace to repeat a circular design.
[French, tool used in making the ornamentation or French guillochis, guilloche.]
(Art Terms) an ornamental band or border with a repeating pattern of two or more interwoven wavy lines, as in architecture
[C19: from French: tool used in ornamental work, perhaps from Guillaume William]
an ornamental pattern or border, as in architecture, consisting of paired ribbons or lines flowing in interlaced curves around a series of circular voids.
[1855–60; < French]