Definitions

1. adjective

relating to or situated near the ischium, a bone in the pelvis

“The ischiatic region of the body is prone to pressure sores.”

2. noun

a muscle or nerve in the ischiatic region

“The ischiatic nerve runs along the length of the thigh.”

3. adjective

caused by or affecting the ischium

“The ischiatic pain was excruciating.”