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epidural

[ ep-i-door-uhl, -dyoor- ]
/ ˌɛp ɪˈdʊər əl, -ˈdyʊər- /
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adjective

Anatomy. situated on or outside the dura mater.

noun

Pharmacology. epidural anesthesia.

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Origin of epidural

1880–85; <epi- + dur(a mater) + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for epidural

British Dictionary definitions for epidural

epidural
/ (ˌɛpɪˈdjʊərəl) /

adjective

Also: extradural upon or outside the dura mater

noun

Also called: epidural anaesthesia
  1. injection of anaesthetic into the space outside the dura mater enveloping the spinal cord
  2. anaesthesia induced by this method

Word Origin for epidural

C19: from epi- + dur (a mater) + -al 1
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

Medical definitions for epidural

epidural
[ ĕp′ĭ-durəl ]

adj.

Located on or over the dura mater.

n.

An injection into the epidural space of the spine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for epidural

epidural
[ ĕp′ĭ-durəl ]

Adjective

Located on or over the dura mater.

Noun

An injection into the epidural space of the spine, as an epidural anesthetic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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