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Noun: Rolodex  'row-lu,deks
Usage: N. Amer
  1. (trademark) a desktop rotary card index with removable cards; usually used for names, addresses, and telephone numbers
    "a news reporter has to have a good Rolodex"

Derived forms: Rolodexes

Type of: card catalog [US], card catalogue, card index

Encyclopedia: Rolodex