Word Study
spinule
CIDE DICTIONARY
spinule, n. [L. spinula, dim. of spina a spine: cf. F. spinule.].
A minute spine. Dana. [1913 Webster]
OXFORD DICTIONARY
spinule, n. Bot. & Zool. a small spine.
Derivative
spinulose adj. spinulous adj.
Etymology
L spinula dimin. of spina SPINE
For further exploring for "spinule" in Webster Dictionary Online