[ nahy-duh-sil ]
/ ˈnaɪ də sɪl /

noun Zoology.

a hairlike sensory process projecting from the surface of a cnidoblast, believed to trigger the discharge of the nematocyst.

Origin of cnidocil

1880–85; cnido- + -cil < New Latin cilium; see cilia Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cnidocil

  • In some cases a small hair-like process, the trigger hair or cnidocil, may be seen projecting above the surface of the cell.