All 5 Uses

probation
in
The Sunlight Dialogues
(Edited)

The Chief of Police--it was then Fred Clumly--would sit in his office in front of the cellblock and talk about it with whoever happened to be there--one of his men or Judge Sam White or May Bunce from Probation.
Chpt 1

probation = a period of testing
He lived outside time, indifferent to the wisdom of age or the rights of station, indifferent even to that studied and fatuous indifference of people like Miss Bunce, the probation officer, whose every gesture was a parody of people like Hodge.
Chpt 2

probation officer = a person who monitors a criminal who does not have to be in prison as long as they demonstrate good behavior and obey special restrictions
They merely waited, and when his probation was up and nothing to stop him, he would be gone.
Chpt 2 *

probation = a period of time during which a criminal who has been released from prison must comply with special conditions
There was no more question of waiting out the probation.
Chpt 2

probation = a period of testing
When the Presbyterian minister came to visit him, he'd go right on reading, and even when May Bunce came, from Probation, he ignored her.
Chpt 23

Definitions:

(1) (probation)
a period of time when a person is being tested or watched to see if they meet certain expectations or follow rules
(2) (meaning too rare to warrant focus)
In archaic literature, probation can be used to mean "proof" or "demonstration."