The Collaborative International Dictionary of English v.0.48:

Grolier \Gro"lier`\, n.
   The name by which Jean Grolier de Servier (1479-1565), a
   French bibliophile, is commonly known; -- used in naming a
   certain style of binding, a design, etc.
   [Webster 1913 Suppl.]

   Grolier binding, a book binding decorated with a pattern
      imitated from those given covers of books bound for Jean
      Grolier, and bearing his name and motto.

   Grolier design or Grolier school, the pattern of
      interlacing bars, bands, or ribbons, with little scrolls
      of slender gold lines, assumed to be an imitation of the
      designs on Jean Grolier's book bindings.
      [Webster 1913 Suppl.]