rack·et·er I. \ˈrakə̇d.ə(r)\noun (-s) Etymology:racket (I) + -er : one who uses a racket: as a.: one who plays tennis, squash, badminton b.: one who uses snowshoes II. noun (-s) Etymology:racket (III) + -er 1.: one who makes a racket or noisy disturbance 2.obsolete: racketeer, swindler