- Big Dipper (n.)
[Big Dipper 词源字典]
- American English name for the seven-star asterism (known in England as the plough; see Charles's Wain) in the constellation Ursa Major, first attested 1833 as simply the Dipper (sometimes Great Dipper, its companion constellation always being the Little Dipper). See dipper.[Big Dipper etymology, Big Dipper origin, 英语词源]