United States religious leader who was the first person born in the United States to be canonized (1774-1821)
"The seton, a revered figure for his missionary work among Native Americans, remains the only saint from the original thirteen colonies."
A few silk threads or horsehairs, or a strip of linen etc., introduced beneath the skin by a knife or needle, so as to induce suppuration; also, the issue so formed.
"The surgeon inserted a seton through the abscess to encourage drainage and prevent further infection."