What does anaesthesia mean?
The definition of anaesthesia
An`æs*the”si*a, n.
Etym: [NL., fr. Gr. anesthésie. See Æsthetics.] (Med.)

Entire or partial loss or absence of feeling or sensation; a state of general or local insensibility produced by disease or by the inhalation or application of an anæsthetic.