The term 'ring of rope' can be described by two crossword solutions: 'QUOIT' (5 letters) and 'COIL' (4 letters). A QUOIT is a circular object, usually made of metal or rope, that is thrown in a game similar to horseshoes. A COIL is a loop of rope or other material that is wound around itself. Together, these two words describe a ring of rope, which is a loop of rope that has been wound around itself to form a circle.