Etymology 1

Noun

1. An institution where one can place and borrow money and take care of financial affairs.
2. A branch office of such an institution
3. An underwriter or controller of a card game, also banque.
4. A safe and guaranteed place of storage for and retrieval of important items or goods.

   blood bank

   sperm bank

   data bank

5. An edge of a river or lake
6. A slope of earth etc.; an embankment

Verb

1. To deal with a bank or financial institution.

   He banked with Barclays.

2. To put into a bank.

   I'm going to bank the money.

Etymology 2

Noun

1. An edge of river or other watercourse.
2. An elevation, or rising ground, under the sea; a shallow area of shifting sand, gravel, mud, and so forth (for example, a sandbank or mudbank).
3. An embankment
4. The incline of an aircraft, especially during a turn.
5. an incline, a hill

Verb

1. To roll or incline laterally in order to turn.
2. To cause (an aircraft) to bank.
3. To form into a bank or heap, to bank up.
4. To cover the embers of a fire with ashes in order to retain heat.

Etymology 3

Noun

1. A row or panel of items stored or grouped together.

   a bank of switches

2. A row of keys on a musical keyboard or the equivalent on a typewriter keyboard.

Verb

1. To arrange or order in a row.