The term TYPEWRITER SOUND is often associated with the sound of a typewriter, which is usually described as a 'CLACK' sound. This sound is created when the keys of a typewriter are pressed and the metal arms strike the paper. The sound has become iconic in popular culture and is often used to represent the sound of typing in films and television shows. The crossword solution for this term is CLACK, which is a five letter word that accurately describes the sound of a typewriter.