/ Dictionary / Index B Batesian mimicry: Meaning and Definition of Find definitions for: Bates'i•an mim'icry Pronunciation: (bāt'sē-un), [key] — Ecol. Ecol. the protective resemblance in appearance of a palatable or harmless species, as the viceroy butterfly, to an unpalatable or dangerous species, as the monarch butterfly, that is usually avoided by predators. Cf. Müllerian mimicry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bates BATF Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language