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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
--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