banker1
n.
- a person who manages or owns a bank or group of banks.
▸the person running the table, controlling play, or acting as dealer in some gambling or board games.
- Brit. a supposedly certain bet.
▸a result forecast identically (while other forecasts differ) in several football-pool entries on one coupon.
Etymology
C16: from Fr. banquier, from banque (see bank2).
banker2
n.
Austral./NZ informal a river flooded to the top of its banks.