banker

noun

1. One who conducts the business of banking; one who, individually, or as a member of a company, keeps an establishment for the deposit or loan of money, or for traffic in money, bills of exchange, etc.
2. The dealer in a casino, or one who keeps the bank in a banking game.
3. A money changer.
4. The stone bench on which a mason cuts or squares his work.
5. A type of envelope with a diamond shape or V-flap that opens on the long edge.
6. A vessel employed in the cod fishery on the banks of Newfoundland.
7. A ditcher; a drain digger.
8. Synonym of browman.
9. A watercourse filled from bank to bank.
10. A bet that is almost certain to succeed.
11. A very safe option.
12. A railway locomotive that can be attached to the rear of a train to assist it in climbing an incline.