Definition: The word 'sax' is a musical instrument from the string family. It is a two-stringed instrument that produces sound by striking its strings with a bow. The most commonly known saxophone is the alto sax, which can be played in a minor key. Other saxophones are also popular, such as the tenor and baritone sax. The definition of the word 'sax' is primarily related to musical instruments. In colloquial English, it means a stringed instrument that produces sound by striking its strings with a bow. This type of instrument has been used for centuries in many different cultures around the world, from ancient civilizations like Mesopotamia to modern-day jazz musicians who have incorporated it into their music.