Definitions
1.nounA 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."
2.nounAny similarly shaped container.
3.nounA 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."
4.nounA gutter under the eaves of a building; an eaves trough."The troughs were filled with leaves and needed clearing."
5.nounA 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.
6.nounA 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."
7.nounA linear atmospheric depression associated with a weather front.
8.verbTo eat in a vulgar style, as if from a trough."he troughed his way through three meat pies."