A galaxy is a large group of stars, gas, and dust held together by gravity. The term 'galaxy' comes from the Greek word for 'milky circle'. The five crossword solutions for the term 'galaxy' are 'BUNCH' (5 letters), 'UNIVERSE' (8 letters), 'NEBULA' (6 letters), 'SPIRAL' (6 letters), and 'ANDROMEDA' (9 letters). A BUNCH is a large group of something, and the UNIVERSE is the entire cosmos. A NEBULA is an interstellar cloud of dust, hydrogen, helium, and other ionized gases. SPIRAL galaxies have a distinct shape, with arms that SPIRAL out from the center. ANDROMEDA is a large SPIRAL galaxy located 2.5 million light-years away from Earth.