Mardi Gras is an annual celebration that takes place in many cities around the world. The term Mardi Gras is French for 'Fat Tuesday' and is celebrated the day before Ash Wednesday, the first day of Lent. The celebration is marked by parades, costumes, music, and dancing. The crossword solution for Mardi Gras is 'CARNIVAL, ' which is a festive event characterized by elaborate floats, costumes, and music.