What is the meaning of the word "bank"?

Definitions:

a building in which the business of banking transacted noun
- the bank is on the corner of Nassau and Witherspoon
a container, usually with a slot in the top, for keeping money at home noun
- I used to have a bank shaped like a pig.
a financial institution that accepts deposits and channels the money into lending activities noun
- They cashed a check at the bank.
a long ridge or pile noun
- a huge bank of earth
an arrangement of similar objects in a row or in tiers noun
- They operated a bank of switches.
sloping land (especially the slope beside a body of water) noun
- they pulled the canoe up on the bank
the funds held by a gambling house or the dealer in some gambling games noun
- We tried to break the bank at Monte Carlo.
to act as the banker in a game or in gambling verb
- Do you want to bank?
to be in the banking business verb
- Should we be banking at all?
to cover with ashes so to control the rate of burning verb
- The fire fighters are going to bank the blaze.
to do business with a bank or keep an account at a bank verb
- Where do you bank in this town?
to enclose with a bank verb
- The highway engineers banked the sharp curves on the road.
to have confidence or faith in verb
- I banked on their intentions.
to put into a bank account verb
- I banked my paycheck.
to tip laterally verb
- The pilot had to bank the aircraft.