Watering trough

For "water trough", a device that enables a steam railway locomotive to replenish its water supply while in motion, see Water trough.
A watering trough on a stock route, Australia
A Bills horse trough in Sebastian, Victoria, Australia
Sheep watering trough, Idaho, 1930s

A watering trough (or artificial watering point) is a man-made or natural receptacle intended to provide drinking water to animals, livestock on farms or ranches or wild animals.