Word Study
epidural
OXFORD DICTIONARY
epidural, adj. & n.
--adj.
1 Anat. on or around the dura mater.
2 (of an anaesthetic) introduced into the space around the dura mater of the spinal cord.
--n. an epidural anaesthetic, used esp. in childbirth to produce loss of sensation below the waist.
--adj.
1 Anat. on or around the dura mater.
2 (of an anaesthetic) introduced into the space around the dura mater of the spinal cord.
--n. an epidural anaesthetic, used esp. in childbirth to produce loss of sensation below the waist.
Etymology
EPI- + DURA (MATER)
For further exploring for "epidural" in Webster Dictionary Online