Breadcrumb Home > Dictionary > Index C call number: Meaning and Definition of Find definitions for: call' num"ber Pronunciation: [key] — Library Science. Library Science. a number, letter, symbol, or combination of these, indicating the specific location of a work in a library, esp. the combination of the classification symbol and the designation for the author. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. call money call of nature TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language