/ Dictionary / Index A authority control: Meaning and Definition of Find definitions for: author'ity control" Pronunciation: [key] — Library Science. Library Science. the establishment and maintainance of consistent forms of terms, as of names, subjects, and titles, to be used as headings in bibliographic records. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. authority authority figure Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language