Dictionary
falx
Pronunciation: (falks, fôlks), [key]—
n.,
—pl. fal•cesPronunciation: (fal'sēz, fôl'-). [key]
Anat.
a structure shaped like a sickle, as a fold of dura mater separating the cerebral hemispheres.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.