From Longman Dictionary of Contemporary Englishgreen paperˌgreen ˈpaper noun [countable] SCLa document produced by the British government containing proposals to be discussed, which may later be used in making laws → white paper, bill
Examples from the Corpus
green paper• Part three of the bill examines major changes to radio services, first outlined in the 1986 green paper.• A green paper nightie this time, and by now I don't give a damn about the cellulite.• Alternately, a piece of light green paper might be glued over the hardboard.• The proposed launch of the green paper last week was postponed on the orders of Downing Street. 