trough

باللغة العربية: فِنْطَاس

1. A long, narrow container, open on top, for feeding or watering animals. · One of Harriet's chores was to slop the pigs' trough each morning and evening.
2. Any similarly shaped container.
3. 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.
4. An undivided metal urinal (plumbing fixture) (colloquial)
5. A gutter under the eaves of a building; an eaves trough. · The troughs were filled with leaves and needed clearing.
6. 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.· The neurologist pointed to a troubling trough in the pattern of his brain-waves.
7. A low turning point or a local minimum of a business cycle.
8. A linear atmospheric depression associated with a weather front.

الجمع troughs