SG Heritage Dictionary

Setaceous [Adjective] Webster's Dictionary 1828

1. Bristly; set with strong hairs; consisting of strong hairs; as a stiff setaceous tail.

2. In botany , bristle-shaped; having the thickness and length of a bristle; as a setaceous seaf or leaflet.

3. Setaceous worm , a name given to a water worm that resembles a horse hair, vulgarly supposed to be an animated hair. But this is a mistake.

Setaceous [Adjective] Webster's Dictionary 1913

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.