ˈfalks, ˈfȯl- noun
( plural fal·ces -lˌsēz)
Etymology: New Latin, from Latin, literally, sickle
: a sickle-shaped part or structure ; especially : either of two folds of the dura mater separating the hemispheres of the brain, the larger being between the cerebral hemispheres and containing the sagittal sinuses, the smaller between the lateral lobes of the cerebellum — called also respectively falx ce.re.bri -k(s)ˈserəˌbrī, falx ce.re.bel.li -)ˌserəˈbeˌlī