a.[ L. spinosus, from spina a thorn. ] Full of spines; armed with thorns; thorny. [ 1913 Webster ]
n. The quality or state of being spiny or thorny; spininess. [ 1913 Webster ]
a.
Spinous process of a vertebra (Anat.),
n. The form of Pantheism taught by Benedict Spinoza, that there is but one substance, or infinite essence, in the universe, of which the so-called material and spiritual beings and phenomena are only modes, and that one this one substance is God.
n. A believer in Spinozism. [ 1913 Webster ]