Meaning of olfactory nerve

olfac'tory nerve"

Pronunciation: [key]
— Anat. Anat.
  1. either one of the first pair of cranial nerves, consisting of sensory fibers that conduct to the brain the impulses from the mucous membranes of the nose.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.