Definition for SE-TA'CEOUS

SE-TA'CEOUS, a. [L. seta, a bristle.]

  1. Bristly; set with bristles; consisting of bristles; as, a stiff setaceous tail. – Derham.
  2. In botany, bristle-shaped; having the thickness and length of a bristle; as, a setaceous leaf or leaflet. – Martyn. 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. – Encyc.

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