"spiny" in the adjective sense
1. spinous, spiny
having spines
"the dorsal fin is spinous"
2. barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setose, setaceous, spiny, thorny
having or covered with protective barbs or quills or spines or thorns or setae etc.
"a horse with a short bristly mane"
"bristly shrubs"
"burred fruits"
"setaceous whiskers"
Source: WordNet® (An amazing lexical database of English)
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