Definition & Meaning of "penny whistle"

What is a "penny whistle"?

A penny whistle is a small, simple wind instrument typically made of metal or plastic. It has a cylindrical shape with a mouthpiece at one end and six finger holes along its length. The player produces sound by blowing air across a small opening in the mouthpiece and covering the finger holes to change the pitch. Known for its bright, clear tone, the penny whistle is commonly used in folk and traditional music. Its compact size and straightforward design make it a popular choice for both beginners and experienced musicians.