- Big Dipper, Dipper, Plough, Charles's Wain, Wain, Wagon - a group of seven bright stars in the constellation Ursa Major
--1 is a kind of asterism
--1 is a part of Great Bear, Ursa Major - roller coaster, big dipper, chute-the-chute - elevated railway in an amusement park (usually with sharp curves and steep inclines)
--2 is a kind of elevated railway, elevated railroad, el, overhead railway; ride
--2 has particulars: hypercoaster