From those visits to unsanitary Houndsley streets in search of Diamond, he had brought back not only a bad bargain in horse-flesh, but the further misfortune of some ailment which for a day or two had deemed mere depression and headache, but which got so much worse when he returned from his visit to Stone Court that, going into the dining-room, he threw himself on the sofa, and in answer to his mother’s anxious question, said, "I feel very ill: I think you must send for Wrench."
There are no more uses of "ailment" in the book.
Show samples from other sources
She died of a heart ailment.
We learned how to bleed men to cure them of all ailments.