As for exercise, it was nice cold weather, and he was allowed to perform his ablutions every morning under the pump, in a stone yard, in the presence of Mr. Bumble, who prevented his catching cold, and caused a tingling sensation to pervade his frame, by repeated applications of the cane.
There are no more uses of "ablution" in the book.
Show samples from other sources
"Home for nineteen hours and you’ve already indulged your predilection for ablutionary excesses, hah!
Harper Lee -- Go Set a Watchman
He told people the correct way to do their ablutions for prayers—which body part to wash first.