This is the 12678th most frequent Russian word.
коровам
The word "коровам" is the dative plural form of "корова," meaning "to cows" or "for cows."
The word "коровам" is in the dative plural form, indicating the indirect objects of the action.
Я принес еду коровам, которые пасутся на лугу.
I brought food to the cows that are grazing in the meadow.
The word "коровам" is erroneously used here; it should be "корова́х" in the prepositional plural form to match the context.
Учитель рассказывал нам о коровам и их пользе для людей.
The teacher told us about cows and their benefits to people.
Again, "коровам" is used incorrectly; it should have been "коров" in the genitive plural form to express ownership or relation.