1. An alphabetical listing of items (e.g., books in a library) with a separate card for each item
   - card catalog [US], card catalogue

Derived forms: card indices

Type of: file, file cabinet [US], filing cabinet

Encyclopedia: Card index

• hard-won
• hardback
• hardbacked
• hardbake
• hardball
• hardboard
• hardbound
• hardcore
• hardcover
• harden
• Hardenbergia
• Hardenbergia comnptoniana
• hardened
• hardener
• hardening
• hardening of the arteries
• hardfisted
• hardhead
• hardheaded
• hardheads
• hardhearted
• hardheartedness
• hardihood
• hardily
• hardiness