SCIATICA
sciatica
(noun) neuralgia along the sciatic nerve
Source: WordNet® 3.1
Etymology
Noun
sciatica (countable and uncountable, plural sciaticas)
(pathology, neurology) Neuralgia of the sciatic nerve, characterised by pain radiating down through the buttocks and the back of the thigh.
Source: Wiktionary
Sci*at"i*ca, n. Etym: [NL.] (Med.)
Definition: Neuralgia of the sciatic nerve, an affection characterized by
paroxysmal attacks of pain in the buttock, back of the thing, or in
the leg or foot, following the course of the branches of the sciatic
nerve. The name is also popularly applied to various painful
affections of the hip and the parts adjoininhg. See Ischiadic
passion, under Ischiadic.
Source: Webster’s Unabridged Dictionary 1913 Edition