sīˈad.]ə̇kə, -at], ]ēkə\ noun
( -s )
Etymology: Middle English, from Medieval Latin, from feminine of Late Latin sciaticus sciatic
: pain along the course of a sciatic nerve or its branches and especially in the leg caused by compression, inflammation, or reflex mechanisms ; broadly : pain in the lower back, buttocks, hips, or adjacent parts — not used technically