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Bearing spines: spinose gastropods.
[Latin spīnōsus, from spīna, thorn.]
spi·nos′i·ty (-nŏs′ĭ-tē) n.
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) (esp of plants) bearing many spines
[C17: from Latin spīnōsus prickly, from spīna a thorn]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
adj. spin•i•er, spin•i•est.
1. abounding in or having spines; thorny, as a plant.
2. covered with or having sharp-pointed processes, as an animal.
3. resembling a spine; spinelike.
4. difficult to handle; thorny: a spiny problem.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.