1.  big dipper(n = noun.object) charles's wain, dipper, plough, wagon, wain - a group of seven bright stars in the constellation Ursa Major;
is a kind of asterism
is a part of great bear, ursa major

2.  big dipper(n = noun.artifact) chute-the-chute, roller coaster - elevated railway in an amusement park (usually with sharp curves and steep inclines);
is a kind of el, elevated, elevated railroad, elevated railway, overhead railway, ride
has particulars: hypercoaster

N  world, creation, nature, universe, earth, globe, wide world, cosmos, kosmos, terraqueous globe, sphere, macrocosm, megacosm, music of the spheres, heavens, sky, welkin, empyrean, starry cope, starry heaven, starry host, firmament, Midgard, supersensible regions, varuna, vault of heaven, canopy of heaven, celestial spaces, heavenly bodies, stars, asteroids, nebulae, galaxy, milky way, galactic circle, via lactea, ame no kawa, sun, orb of day, Apollo, Phoebus, photosphere, chromosphere, solar system, planet, planetoid, comet, satellite, moon, orb of night, Diana, silver-footed queen, aerolite, meteor, planetary ring, falling star, shooting star, meteorite, uranolite, constellation, zodiac, signs of the zodiac, Charles's wain, Big Dipper, Little Dipper, Great Bear, Southern Cross, Orion's belt, Cassiopea's chair, Pleiades, colures, equator, ecliptic, orbit, astronomy, uranography, uranology, cosmology, cosmography, cosmogony, eidouranion, orrery, geodesy, star gazing, star gazer, astronomer, observatory, planetarium, cosmic, cosmical, mundane, terrestrial, terrestrious, terraqueous, terrene, terreous, telluric, earthly, geotic, under the sun, sublunary, subastral, solar, heliacal, lunar, celestial, heavenly, sphery, starry, stellar, sidereal, sideral, astral, nebular, uranic, in all creation, on the face of the globe, here below, under the sun, die Weltgeschichte ist das Weltergesicht, earth is but the frozen echo of the silent voice o, green calm below, blue quietness above, hanging in a golden chain this pendant World, nothing in nature is unbeautiful, silently as a dream the fabric rose, some touch of nature's genial glow, this majestical roof fretted with golden fire, through knowledge we behold the World's creation.

big, big apple, big band, big bang, big bang theory, big bedbug, big ben, big bend, big bend national park, big bend state, big bill haywood, big bill tilden, big blue, big board, big brother, big brown bat, big bucks, big business, big businessman, big cat, big cheese, big deal, big enchilada, big fish, big game, big gun, big h, big hand, big league, big leaguer, big marigold, big money, big mouth, big name, big sagebrush, big science, big shagbark, big shellbark, big shellbark hickory, big shot, big sioux river, big sister, big spender, big stick, big sur, big talk, big talker, big time, big time operator, big toe, big top, big tree, big wheel, dipper, double dipper, go over big, in a big way, little dipper, talk big, too big for one's breeches