launder

A trough used by miners to receive powdered ore from the box where it is beaten, or for carrying water to the stamps, or other apparatus for comminuting (sorting) the ore.

A trough or channel carrying water to the wheel of a watermill.

A gutter (for rainwater).

(no longer used) A washerwoman or washerman.

To wash; to wash, and to smooth with a flatiron or mangle; to wash and iron.

To disguise the source of (ill-gotten wealth) by various means.

To obtain a pointer to an object created in storage occupied by an existing object of the same type, even if it has const or reference members.

(no longer used) To lave; to wet.