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