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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.
(Plants) another name for colocynth
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
col•o•cynth(ˈkɒl ə sɪnθ)
1. Also called bitter apple. a Mediterranean and S Asian plant, Citrullus colocynthis, of the gourd family, bearing a round, yellow or green fruit with a bitter pulp.
2. a drug derived from the pulp of the fruit, used as a purgative.
[1555–65; < Latin colocynthis < Greek kolokynthís, variant of kolókyntha bitter gourd]
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