/ Dictionary / Index S subsidiary rights: Meaning and Definition of Find definitions for: subsid'iary rights' Pronunciation: [key] rights to publish or produce in different formats works based on the original work under contract, as a paperback edition of an original hardcover book or a motion picture based on a novel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subsidiary ledger subsidize Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language