A vertical pipe or conduit that carries rainwater from the scupper, guttering of a building to a lower roof level, drain, ground or storm water runoff system.
A gutter (for rainwater).
A trough or channel carrying water to the wheel of a watermill.
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.
To disguise the source of (ill-gotten wealth) by various means.
To wash; to wash, and to smooth with a flatiron or mangle; to wash and iron.