noun Zoology, Botany.
a small spine.
Origin of spinule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for spinule
Historical Examples of spinule
This process has been one of time: the adhesion of the "spinule" took place in about sixteen hours after its escape from the egg.Omphalos
Philip Henry Gosse
biology a very small spine, thorn, or prickle
Word Origin for spinule
C18: from Late Latin spīnula
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012