epidural

American

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

adjective

Anatomy. situated on or outside the dura mater.

noun

Pharmacology. epidural anesthesia.

epidural British

/ ˌɛpɪˈdjʊərəl /

adjective

Also: extradural. upon or outside the dura mater

"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

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

"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

epidural Scientific

/ ĕp′ĭ-dr′əl /

Located on or over the dura mater.

An injection into the epidural space of the spine, as an epidural anesthetic.

Etymology

Origin of epidural

1880–85; < epi- + dur(a mater) + -al ¹ ( def. )

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023