hardback
1. [ adjective ] having a hard back or cover
Synonyms: hardbound hardcover hardbacked
Examples:

"hardback books"

Related terms: backed
2. [ noun ] (writing) a book with cardboard or cloth or leather covers
Synonyms: hardcover
Related terms: book
Similar spelling:   hardbacked
  hardbake
  hardball
  hard-baked
  hardpan