Definitions for "Big Four"
Slang term for the four large railway companies which were formed from numerous smaller companies at the 1923 grouping: Great Western Railway, London Midland and Scottish, London North Eastern Railway and Southern Railway.
In the UK, the four large clearing banks: Barclays, Midland, Lloyds and National Westminster. In Japan the largest securities houses: Daiwa, Nikko, Nomura and Yamaichi.
In the UK the four large clearing banks: Lloyds TSB, Barclays, HSBC and Royal Bank of Scotland.
Waterman, Parker, Sheaffer, and Wahl-Eversharp; in the USA, these are the quality vintage pens most commonly found
Keywords:  split, pinochle, bedposts, ears, pins
The 4-6-7-10 split, also known as the Big Ears.
A split resulting in the 4, 6, 7 and 10 pins still standing after the first shot.
The split of the 4, 6, 7, 10 pins, also known as bedposts or double pinochle.