What do el puerta mean in English?

"El puerta" is Spanish for "the door". It's a masculine noun, so it's translated directly as "the door" rather than "a door".

It's important to note that "el puerta" is not a common term in Spanish, as "la puerta" (the door) is the more standard way to refer to a door. "El puerta" might be used in certain contexts or poetic expressions, but it's not the most common usage.