Rolodex

== English == === Etymology === Genericized trademark, from rol(ling) +‎ -o- +‎ (in)dex. The brand name was originally part of a range including other items such as the Autodex and Clipodex. === Noun === Rolodex (plural Rolodexes) A type of rotating file index used for storing addresses, especially in a work context. (by extension) One's contact list. A large list or category (of something specified). === Verb === Rolodex (third-person singular simple present Rolodexes, present participle Rolodexing, simple past and past participle Rolodexed) To index, or scan through, in the manner of a rotating file index.