American English name for the seven-star asterism (known in England as the plough; see Charles's Wain) in the constellation Ursa Major, 1845; attested 1833 as simply the Dipper (sometimes Great Dipper, its companion constellation always being the Little Dipper). See dipper.
Big Apple
big bang
Big Ben
Big Brother
big deal
Big Dipper
Big Mac
big shot
big time
bigamist
bigamous