noun.
The ornamental lining on the inner covers of a sumptuous book. The simpler styles are of silk, velvet, or brocade. Highly decorated books have linings of thin leather, with borders or centerpieces hand-tooled in gold. See cut on page 392.
noun.
In paleontology, the reflexed inferior margin of the carapace in the Trilobita, specially noticeable on the cephalon and pygidium.