This is the 6776th most frequent Spanish word.
cows
The Spanish word for "cows" is "vacas," meaning adult female bovines.
The word "vacas" refers to the plural of "vaca," which means "cow" in English, used here to denote the animals themselves.
Las vacas están pastando en el campo.
The cows are grazing in the field.
"Vacas" is used to describe multiple cows observed collectively.
Vi un grupo de vacas mientras conducía ayer.
I saw a group of cows while driving yesterday.
"Vacas" is used metaphorically to acknowledge their contribution to an activity, in this case, milk production.