A written manuscript or draft (e.g., for a magazine, book, newspaper); a written contribution.
新しい小説の原稿を出版社に送った。
I sent the manuscript of my new novel to the publisher.
締め切りが近いので、原稿の最終チェックをしています。
The deadline is near, so I'm doing a final check of the manuscript.
この原稿はまだ校正が必要だ。
This manuscript still needs proofreading.