The term 'Winter Hanger-On' can be summarized by the crossword solution of 'icicle'. An icicle is a type of frozen precipitation that forms when water droplets freeze as they fall from the sky. They are typically seen during the winter months and can hang from the edges of roofs, trees, and other structures. Icicles are often associated with the winter season and can be seen in many places during this time of year.