"With this needle," said the abbe, as, opening his ragged vestments, he showed Dantes a long, sharp fish-bone, with a small perforated eye for the thread, a small portion of which still remained in it.
There are no more uses of "vestment" in the book.
Show samples from other sources
It takes a moment for Lev to recognize him—mainly because he’s not wearing his modest pastor’s vestments.
Neal Shusterman -- Unwind
"First of all his luggage had to be put in carefully because his vestments couldn’t be crushed.