/ ˈɔɪlskɪn; NAmE / noun
1.
[ U ] a type of cotton cloth that has had oil put on it in a special process so that water cannot pass through it, used for making waterproof clothing
2.
[ C ] a coat or jacket made of oilskin
3.
oilskins [ pl. ] a set of clothes made of oilskin, worn especially by sailors