falx cerebelli

[sĕr′ə-bĕlī]
n.
  1. A short process of dura mater projecting from the internal occipital crest below the tentorium, and bifurcating into two diverging limbs passing to either side of the foramen magnum.falcula
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.