/ Dictionary / Index S sciatic: Meaning and Definition of Find definitions for: sci•at•ic Pronunciation: (sī-at'ik), [key] — adj. Anat. of, pertaining to, situated near, or affecting the ischium or back of the hip. affecting the hip or the sciatic nerves. —n. a sciatic part, as a nerve, vein, or artery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sciatic (Thesaurus) sciamachy sciatica Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language