This is the 13597th most frequent Spanish word.
res
"Res" in Spanish refers to "livestock" or specifically "beef" (cow used for meat).
used to refer to a type of cattle or livestock
La res pastorea tranquilamente en el campo.
The cow grazes peacefully in the field.
used to refer to beef as a type of meat
Compré res en el mercado para cocinar esta noche.
I bought beef at the market to cook tonight.
used to refer to cows as a collective group in farming