1. Having a hard back or cover
   - hardback, hardbound, hardcover [N. Amer]

See also: backed

• Cathartes
• Cathartes aura
• cathartic
• cathartid
• Cathartidae
• Cathay
• Cathaya
• cathect
• cathectic
• cathedra
• cathedral
• cathemeral
• Cather
• Catherine
• Catherine de Médicis
• Catherine Howard
• Catherine I
• Catherine II
• Catherine of Aragon
• Catherine Parr
• Catherine the Great
• catherine wheel
• catheter
• catheterisation
• catheterise