Meaning of cnidocil

cni•do•cil

Pronunciation: (nī'du-sil), [key]
— n. Zool.
  1. a hairlike sensory process projecting from the surface of a cnidoblast, believed to trigger the discharge of the nematocyst.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.