Trough

1.

(Long narrow open container for holding water or food for animals, similar container for kneading or washing ore, uncovered gutter for draining water, a channel for conveying liquid, a depression between two waves or ridges, an elongated reign of low atmospheric pressures) កន្លែងឲ្យសត្វផឹកទឹក, ស្នូកលាយម្សៅនំប៉័ង, ចង្អូរទឹក, ប្រឡាយទឹក, ស្នូក (សម្រាប់ដាក់បាយជ្រូកជាដើម)
Example: Gulls floating in the troughs of the sea.

2.

(បច្ចេកទេស) ចំណុចទាបបំផុត, ចំនួនអប្បរមា

1.

A long, hollow vessel, generally for holding water or other liquid, especially one formed by excavating a log longitudinally on one side; a long tray; also, a wooden channel for conveying water, as to a mill wheel.

2.

Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc.

3.

The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point.