Wordnet 3.0
ADJECTIVE (1)
1.
having spines;
The Collaborative International Dictionary of English v.0.48:
Spinose \Spi*nose"\, a.[L. spinosus, from spina a thorn.]
Full of spines; armed with thorns; thorny.
[1913 Webster]
WordNet (r) 3.0 (2006):
spinose
adj 1: having spines