sci•at•icPronunciation: (sī-at'ik), [key]
of, pertaining to, situated near, or affecting the ischium or back of the hip.
affecting the hip or the sciatic nerves.
a sciatic part, as a nerve, vein, or artery.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.