0 a piece of kitchen equipment that is used for cooking food -- horno
an electric oven
1 a piece of equipment in which you put food to bake, roast, or broil it -- horno [ masculine, singular ]
Set the oven to 400º Calentar el horno a 400º.
Put the cookies into/Take the cookies out of the oven. Poner las galletas en/sacar las galletas del horno.