[ sahy-at-ik ]
/ saɪˈæt ɪk /

adjective Anatomy.

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.

Origin of sciatic

1535–45; < Medieval Latin sciaticus, alteration of Greek ischiadikós ischiadic

Related forms

sci·at·i·cal·ly, adverbnon·sci·at·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sciatic

British Dictionary definitions for sciatic


/ (saɪˈætɪk) /


anatomy of or relating to the hip or the hipbone
of, relating to, or afflicted with sciatica

Word Origin for sciatic

C16: from French sciatique, from Late Latin sciaticus, from Latin ischiadicus relating to pain in the hip, from Greek iskhiadikos, from iskhia hip joint
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for sciatic


[ sī-ătĭk ]


Of or relating to the ischium or to the region of the hipbone in which it is located.
Of or relating to sciatica.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.