Any of several herbs of the genus Digitalis, especially D. purpurea of Europe, having a long cluster of large, tubular, pinkish-purple flowers and leaves that are the source of the drug digitalis.
Any of several related plants.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.