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Definition of Oilskin
1. Noun. A macintosh made from cotton fabric treated with oil and pigment to make it waterproof. 
Definition of Oilskin
1. n. Cloth made waterproof by oil.
Definition of Oilskin
1. a waterproof fabric [n -S]
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1. Noun. A macintosh made from cotton fabric treated with oil and pigment to make it waterproof. 
1. n. Cloth made waterproof by oil.
1. a waterproof fabric [n -S]