All 3 Uses

avert
in
Harry Potter (#3) and the Prisoner of Azkaban
(Edited)

He was now asking Professor McGonagall for news of the Firebolt after every Transfiguration lesson, Ron standing hopefully at his shoulder, Hermione rushing past with her face averted.
Chpt 12

averted = turned away
Averting his eyes from this unpleasant sight, Harry saw a gigantic, hairy brown suit and a very horrible yellow-and-orange tie hanging from the top of Hagrid's wardrobe door.
Chpt 14 *

averting = turning away
Ron was still slightly inclined to laugh at Hermione's boggart, but an argument was averted by the sight that met them on the top of the steps.
Chpt 16 *

averted = prevented

Definitions:

(1) (avert as in: avert her eyes)
turn away or aside -- often to turn your eyes away from something
(2) (avert as in: avert a strike)
prevent from happening
(3) (meaning too rare to warrant focus)