treasure binding
luxurious book cover using metalwork in gold or silver, jewels, or ivory, perhaps in addition to more usual bookbinding material for book covers such as leather, velvet, or other cloth
en-GB/ˈtɹɛʒə ˈbaɪndɪŋ/
en-US/ˈtɹɛʃɚ ˈbaɪndɪŋ/
luxurious book cover using metalwork in gold or silver, jewels, or ivory, perhaps in addition to more usual bookbinding material for book covers such as leather, velvet, or other cloth