/ Dictionary / Index C coloring book: Meaning and Definition of Find definitions for: col'oring book" Pronunciation: [key] a children's book of outline drawings for coloring in crayons, watercolors, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coloring colorist Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language