- Set with, or consisting of, bristles; bristly; as, a
stiff, setaceous tail. - Bristelike in form or texture; as, a setaceous feather;
a setaceous leaf.
Meaning of 'setaceous' (Princeton's WordNet)
1 . setaceous
[ s]
Meaning (1): - having or covered with protective barbs or quills or spines or thorns or setae etc.