The phrase "the door" in French is "la porte". As such the "la" indicates that it is feminine. Typically the gender of a noun can be determined using a good translation website by prefacing the word in question with the word "the"
"une porte" (fem.)
Feminine
directeur → masculine directrice→ feminine
It is feminine.
Une moto (a motorcycle) is a feminine noun in French.
it is feminine
Feminine
masculine
Douce is feminine. The masculine is 'doux'.
La salade is feminine
feminine
masculine
Feminine
balle is feminine in french / ballon is masculine
In French the country Mali is masculine.
In French, "croissant" is a masculine noun.
It's masculine. Beef in French is le boeuf.
The word "disques" is masculine in French.