spiny

adjectives

having spines

"the dorsal fin is spinous"

spinous, spiny

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"

barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setaceous, setose, spiny, thorny

is derived from