There is no word in French that is "le martin". (Martin is proper name in French as in English, but it does not take an article.) If you meant to ask about "le matin", it means, "the morning".
In English it means the Martin.
Est le... in French means "Is the..." in English.
Le pied in French is "the foot" in English.
Le nom in French is "the name" in English.
Le ciel in French means "the sky" in English.
Le coq in French means "the rooster" in English.
"Future" in English is le futur in French.
Je le savais in French means "I knew it" in English.
Le sabre in French means "the saber" or "the cavalry sword" in English.
Le chien noir in French is "the black dog" in English.
Voilà le stylo! in French is "Here is the pen!" in English.
Je suis le musicien! in French is "I am the musician!" in English.
Le dernier matin in French means "the last morning" in English.