Definitions for "Falx"
Keywords:  dura, sickle, cerebri, mater, thracians
A curved fold or process of the dura mater or the peritoneum; esp., one of the partitionlike folds of the dura mater which extend into the great fissures of the brain.
Sickle-shaped extension of the anterior portion of the jaw, usually forming a hook or fang.
Latin = sickle, hence, the sickle-shaped falx cerebri and falx cerebelli, adjective - falciform.