All 3 Uses

anesthesia
in
Delirium, by Lauren Oliver
(Auto-generated)

Normally patients are anesthetized during the procedure and don't feel a thing, but my aunt had once let slip that during my mother's third procedure they had refused to sedate her, thinking that the anesthesia might be interfering with her brain's response to the cure.†
p. 32.5 *
I think of how many nights I used to fantasize about stretching out on the operating table, waiting for the anesthesia to turn the world to fog, waiting to wake up renewed.†
p. 318.8
After her second procedure they refused to put her under—they thought the anesthesia was interfering with the way the cure was taking.†
p. 335.6

Definitions:

(1) (anesthesia)
loss of bodily sensation -- especially created intentionally to control pain

There are two broad categories of anesthetics given to cause anesthesia: A general anesthetic causes loss of consciousness. A local anesthetic blocks sensation in a limited region of the body while maintaining consciousness.
(2) (meaning too rare to warrant focus)