/ Dictionary / Index M Müllerian mimicry: Meaning and Definition of Find definitions for: Mül•le'ri•an mim'icry Pronunciation: (my-lēr'ē-un, mu-, mi-), [key] — Ecol. Ecol. the resemblance in appearance of two or more unpalatable species, which are avoided by predators to a greater degree than any one of the species would be otherwise. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. muller Müller-Lyer illusion Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language