'hard-bound' definitions:
Definition of 'hard-bound'
- hardback \hard"back`\, hardbacked \hard"backed`\, hardcover
\hard"cov*er\ hard-bound \hard"-bound`\adj.
Having rigid front and back covers, usually boards covered
with paper, cloth, or leather; -- of books. Contrasted with
softcover and paperback.
[WordNet 1.5]