If you're carrying a racket and wearing a sporty visor, people will guess that you're on your way to play tennis. A racket has a handle and a rounded frame laced with strings, and it's used to hit a ball.
A racket is used to play tennis, badminton, or squash, and it can also be spelled racquet. Another definition of racket is an unpleasantly loud noise; if your neighbors were playing horrible, loud music, you could yell out the window, "Stop that racket!" Informally, the word racket also means "illegal scheme," especially for making money. The French word requette means "palm of the hand," and racquet originally referred to a tennis-like game played by hitting a ball with the hand.