Oilskin
/ˈɔɪl.skɪn/
"Oilskin" in a Sentence (2 examples)
I noticed Larry to-day had on two vests, two coats, and an overcoat with his oilskin outside of that.
He was preparing to venture out again, when Gaskin opened a locker and brought out an oilskin. “Hit'll 'elp you keep dry, sir,” holding up the garment.