Definitions

1. adjective

bent or curved downward like a falchion (a curved, single-edged sword)

“The subfalcate shape of the leaf made it suitable for its environment.”

2. noun

A fold in the dura mater that separates the cerebral hemispheres, or the shape of the cerebral hemispheres when the dura mater is folded over the falx cerebri.

“The surgeon carefully examined the subfalcate area of the patient’s brain.”