"spiny" in the adjective sense
1. spinous, spiny
"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"
Source: WordNet® (An amazing lexical database of English)
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