aqueduct of Sylvius: Meaning and Definition of

aq'ueduct of Syl'vi•us

Pronunciation: (sil'vē-us), [key]
— Anat. Anat.
  1. a canal in the midbrain, connecting the third and fourth ventricles of the brain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.