noun
rolled letter paper; scroll paper
Specifically paper that is rolled up, often for letters or documents; implies a traditional or formal context.
彼は巻紙に手紙を書いた。
He wrote a letter on rolled paper.
noun
roll of paper; paper roll
General term for a roll of paper, such as for wrapping, crafts, or printing; broader than sense 1.
Please buy a roll of wrapping paper.
Compound of 巻く (maku, 'to roll') + 紙 (kami, 'paper'), with rendaku voicing of kami to gami.