trough
/tɹɑf/
A long, narrow container, open on top, for feeding or watering animals.
One of Hank's chores was to slop the pigs' trough each morning and evening.
Any similarly shaped container.
A short, narrow canal designed to hold water until it drains or evaporates.
There was a small trough that the sump pump emptied into; it was filled with mosquito larvae.
A gutter under the eaves of a building; an eaves trough.
The troughs were filled with leaves and needed clearing.
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.
A long, narrow depression between waves or ridges; the low portion of a wave cycle.
The buoy bobbed between the crests and troughs of the waves moving across the bay.
A linear atmospheric depression associated with a weather front.
同義詞