Definition of "trough"

A long, narrow container, open on top, for feeding or watering animals.  examples

Any similarly shaped container.  quotations

1. (Australia, New Zealand) A rectangular container used for washing or rinsing clothes.  examples

A short, narrow canal designed to hold water until it drains or evaporates.  examples

(colloquial) An undivided metal urinal (plumbing fixture)  examples

(Canada) A gutter under the eaves of a building; an eaves trough.  examples

(agriculture, Australia, New Zealand) 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.  examples

A long, narrow depression between waves or ridges; the low portion of a wave cycle.  examples

(economics) A low turning point or a local minimum of a business cycle.  examples

(meteorology) A linear atmospheric depression associated with a weather front.

To eat in a vulgar style, as if from a trough.  examples