Line winders are a type of job that involves winding lines, such as fishing line, onto reels. The term 'line winders' is often used to refer to the people who do this job, and the crossword solution for this term is 'reels, ' which is a five-letter word. Reels are cylindrical objects that are used to store and transport lines, such as fishing line, rope, or cable. Line winders use reels to wind lines onto them in an organized manner.