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Any of several nymphalid butterflies of the subfamily Apaturinae, especially the Eurasian species Apatura iris, the male of which has iridescent purple wings.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||emperor butterfly - large richly colored butterfly |
brush-footed butterfly, four-footed butterfly, nymphalid, nymphalid butterfly - medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast
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