A box with riffles along the bottom, used to trap heavier gold particles as water washes them and the other material along the box.
A rectangular container used for washing or rinsing clothes.
A gutter under the eaves of a building; an eaves trough.
A linear atmospheric depression associated with a weather front.
A long, narrow container, open on top, for feeding or watering animals.
A long, narrow depression between waves or ridges; the low portion of a wave cycle.
A channel for conveying water or other farm liquids (such as milk) from place to place by gravity; any ‘U’ or ‘V’ cross-sectioned irrigation channel.
Any similarly shaped container.
A short, narrow canal designed to hold water until it drains or evaporates.
low turning point or a local minimum of a business cycle
To eat in a vulgar style, as if from a trough.