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[So called because its leaves contain a substance that swells the throat when eaten.]
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.
a West Indian foliage plant, Dieffenbachia seguine, having yellow-blotched leaves that cause temporary speechlessness when chewed.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||dumb cane - an evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name|
aroid, arum - any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe
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