big dipper   (TTS Sound)

The noun big dipper has 2 senses

• Big Dipper, Dipper, Plough, Charles's Wain, Wain, Wagon -- (a group of seven bright stars in the constellation Ursa Major)


• roller coaster, big dipper, chute-the-chute -- (elevated railway in an amusement park (usually with sharp curves and steep inclines))