/ Dictionary / Index P perfect binding: Meaning and Definition of Find definitions for: per'fect bind'ing Pronunciation: [key] — Bookbinding. Bookbinding. a technique for binding books by a machine that cuts off the backs of the sections and glues the leaves to a cloth or paper backing. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perfecta perfect cadence Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language