Webster's Revised Unabridged Dictionary · 1913

Setaceous

Setaceous (se*tā"shus) , adjective

[Latin seta a bristle: compare French sétacé.]

1.
Set with, or consisting of, bristles; bristly; as, a stiff, setaceous tail.
2.
Bristelike in form or texture; as, a setaceous feather; a setaceous leaf.