A "rolodex" is a small rotating device used to store and organize contact information, such as names and phone numbers. It resembles a small file or index, allowing easy access to the contacts by flipping through the cards. Full definition
After spending more than 25 years in the investment business, I do have the luxury of having developed an extensive rolodex of money manager friends and contacts. (atf.staceymuirhead.com)
Other Republican names floating around include businessman Bob Turner, who ran against Weiner in 2010 and lost with 40 percent of the vote, as well as attorney Juan Reyes, whose Manhattan ties could come with a thick rolodex for potential fundraising. (politicalticker.blogs.cnn.com)
Inside, three circular chambers house giant vertical rolodexes on which massive paintings, many by Frank Stella, can be spun around at will for viewing pleasure, untroubled by natural light, time, or nuclear fallout. (questia.com)