A small wind instrument is a type of musical instrument that is played by blowing air into it. The four solutions to the crossword for the term 'small wind instrument' are PICCOLO (7 letters), ocarina (7 letters), harmonica (9 letters), and fife (4 letters). The PICCOLO is a small flute with a high-pitched sound, the ocarina is an ancient wind instrument shaped like a potato, the harmonica is a small rectangular instrument with metal reeds, and the fife is a small, high-pitched flute.