It is called a trough,waterway(which is really wierd),or a trench.Really,either way is correct.
A horse usually eats out of a feed container called a trough. Some horses eat out of a feed bucket. It depends on what the owner provides.
troughits called a trough
The lowest point of a wave is called a trough.
The word you''re looking for is... 'trough'. (pronounced 'tr-off'
A very old trough. A hard-wearing trough. A durable trough. One tough trough.
trough (pronounced "troff")
wavelength
Trough.
A feed trough or feed bunk. The smaller ones are called "mangers."
Wavelength.
The trough or the valley between two waves is the lowest part of a wave. Its highest point is called the crest.
Well we always bring our horses to the water trough and pick the water up to the horses mouth, and most of the time after that they all just come and drink from the trough. Hope that helps =)