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Any of several white butterflies of the genus Pieris having larvae that feed on cabbage and other cruciferous plants, especially P. rapae. Also called cabbage butterfly.
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.
(Animals) any large white butterfly of the genus Pieris, esp the Eurasian species P. brassicae, the larvae of which feed on the leaves of cabbages and related vegetables: family Pieridae
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014