The term GYRE is defined as a circular or SPIRAL motion, and the crossword solutions all relate to this definition. REVOLUTION (10 letters) is a term used to describe a complete cycle of a repeating event, such as the rotation of the Earth around the Sun. TWIRL (5 letters) is a term used to describe a spinning motion, usually in a circular pattern. REVOLVE (7 letters) is a term used to describe an object's movement around a central point, such as the Moon's orbit around the Earth. WHIRL (5 letters) is a term used to describe a rapid circular motion. ROTATE (6 letters) is a term used to describe an object's movement around its own axis, such as the Earth's rotation on its axis. SPIRAL (6 letters) is a term used to describe a curved line that winds around a central point, like a coil. CIRCLE (6 letters) is a term used to describe a closed curve that is the same distance from a central point. SPIN (4 letters) is a term used to describe a rapid rotation around an axis. All of these terms can be used to describe the gyre motion.