/ Dictionary / Index W warning coloration: Meaning and Definition of Find definitions for: warn'ing colora'tion Pronunciation: [key] — Biol. Biol. a bold, distinctive pattern of color characteristic of a poisonous or unpalatable organism, as the skunk or the monarch butterfly, that functions as a warning to and defense against predators. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. warning warning track Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language