The Only Use of

rout

in

To Kill a Mockingbird

After consulting a tree to ascertain from its lichen which way was south, and taking no lip from the subordinates who ventured to correct him, Colonel Maycomb set out on a purposeful journey to rout the enemy and entangled his troops so far northwest in the forest primeval that they were eventually rescued by settlers moving inland.
p. 296.9

rout = overwhelming defeat

Definitions:

(1) (rout as in: the team was routed)
an overwhelming defeat; or a disorderly retreat
(2) (meaning too common or rare to warrant focus)
Rout has other common meanings such as to make a groove, dig, search, or find. In classic literature, it can have varied meanings including reference to a disorderly group of people or a large party. The British may use the word to describe the noise cows make. The word form routings may refer to the routes taken to get somewhere.