1. Pain in the hip; specifically, the ischium or the lower part of the hip.
2. A rarely used term for sciatica.

Sciatica refers to a syndrome characterized by pain radiating from the back into the buttock and into the lower extremity along its posterior or lateral aspect and most commonly caused by prolapse of the intervertebral disk. The term is also used to refer to pain anywhere along the course of the sciatic (referring to the hip) nerve.