What is the verb expressing the action of moving some farm animals in a field to let them eat grass or plants?

Question

The verb "drive an animal" is to force an animal to move. For example, the shepherd is driving a cow. It does not mean to make the cow eat.

What is the common verb expressing the action of moving some farm animals in a field to let them eat grass or plants?

Answer 1

Cows graze

And sometimes farm animals are allowed to pasture

graze

to (cause animals to) eat grass: The cows were grazing.
The farmer grazes cattle on this land in the summer months.
_{Cambridge Dictionary}

pasture

verb transitive
3. to put (cattle, etc.) out to graze in a pasture
4. to graze or feed on (grass, etc.)
_{Collins Dictionary}