From Longman Dictionary of Contemporary Englishrough paperˌrough ˈpaper noun [uncountable] British EnglishTCDETAIL# paper that is used for writing or drawing things that will later be changed or copied more neatly
Examples from the Corpus
rough paper• I'd say you're looking for a business where they have a heavy demand for rough paper.• Cheap envelopes of rough paper, one blue, one greeny-grey.• On rough paper, cliches and clumsy constructions are allowed and then debated. 