The crossword solution for the term SEPARATE BIT OR PART is PIECE. This term refers to a distinct portion of something, such as a single item from a larger collection or a single component of a larger whole. It can also refer to a small part of a larger object, such as a PIECE of a puzzle or a PIECE of a jigsaw. In other contexts, it can refer to a single unit of a larger group, such as a single member of a team or a single element of a larger system.