cerebrospinal fluid: Meaning and Definition of

cerebrospi'nal flu"id

Pronunciation: [key]
— Physiol. Physiol.
  1. the fluid in the ventricles of the brain, between the arachnoid and pia mater, and surrounding the spinal cord.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.