card index

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noun

a file or catalog consisting of cards on which information has been entered so that desired items or data can be readily found.

Origin of card index

An Americanism dating back to 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for card index

Historical Examples of card index


British Dictionary definitions for card index

card index

card file

noun

an index in which each item is separately listed on systematically arranged cards

verb card-index

(tr) to make such an index of (a book)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012