تعريف big dipper في الإنجليزية الإنجليزية القاموس.
A bright circumpolar asterism of the northern sky, said to resemble a ladle or cart. It is part of the constellation Ursa Major and includes the stars Mizar, Dubhe, and Alkaid
elevated railway in an amusement park (usually with sharp curves and steep inclines)
A big dipper is a fairground ride that carries people up and down steep slopes on a narrow railway at high speed. = roller coaster. A cluster of seven stars in the constellation Ursa Major, four forming the bowl and three the handle of a dipper-shaped configuration. Also called Charles's Wain, Plow