turion(redirected from turions)
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A dormant vegetative bud that detaches from the parent plant, found especially in certain aquatic plants.
[Latin turiō, turiōn-.]
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.
(Botany) a perennating bud produced by many aquatic plants: it detaches from the parent plant and remains dormant until the following spring
[C17: from French turion, from Latin turio shoot]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014