An archaic or specialized architectural term, possibly referring to a decorative molding, groove, or carving.
Possibly from French 'gringole' or Italian sources; the exact origin is unclear. It appears in historical architectural and decorative arts texts but is now obsolete or highly specialized.
This is the kind of word that medieval stone masons and Renaissance architects knew inside and out, but modern people have completely forgotten—it probably referred to a very specific type of decorative cut or molding that isn't made the same way anymore.
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