I. |epə̇|d(y)u̇rəl, |epē|- adjective
Etymology: epi- + dural
: situated upon or administered outside the dura mater
an epidural abscess
epidural block
• epi·du·ral·ly -rəlē adverb
II. noun
( -s )
Etymology: epidural , adjective
: an injection of a local anesthetic into the space outside the dura mater of the spinal cord in the lower back region to produce loss of sensation chiefly in the lower part of the body (as of the pelvis or abdomen)