trough

(noun): A long, narrow container, open on top, for feeding or watering animals.
(noun): Any similarly shaped container.
(noun): A short, narrow canal designed to hold water until it drains or evaporates.
(noun): A gutter under the eaves of a building; an eaves trough.
(noun): 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.
(noun): A long, narrow depression between waves or ridges; the low portion of a wave cycle.
(noun): A linear atmospheric depression associated with a weather front.
(verb): To eat in a vulgar style, as if from a trough.

One of Hank's chores was to slop the pigs' trough each morning and evening.
There was a small trough that the sump pump emptied into; it was filled with mosquito larvae.
The troughs were filled with leaves and needed clearing.
The buoy bobbed between the crests and troughs of the waves moving across the bay.
he troughed his way through three meat pies.