bank

(hydrology) An edge of river, lake, or other watercourse.

(nautical, hydrology) 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).

(geography) A slope of earth, sand, etc.; an embankment.

(aviation) The incline of an aircraft, especially during a turn.

(rail transport) An incline, a hill.

A mass noun for a quantity of clouds.

(mining) The face of the coal at which miners are working.

(mining) A deposit of ore or coal, worked by excavations above water level.

(mining) The ground at the top of a shaft.