definition of
spiny

[1] #1 spiny a. [spinous] having spines; "the dorsal fin is spinous". wn

[2] #2 spiny s. [barbed, barbellate, briary, briery, bristled, bristly, burred, burry, prickly, setose, setaceous, 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". wn