Breadcrumb Home > Dictionary > Index C catalog code: Meaning and Definition of Find definitions for: cat'alog code" Pronunciation: [key] — Library Science. Library Science. the principles, rules, and regulations for entering and describing books or other library material in a catalog. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. catalog cataloger TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: praedial Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language