The term 'Instrument with a Bent Neck' can be summarized as a LUTE, which is a four-letter word. A LUTE is a stringed instrument that has a neck that curves away from the body of the instrument. It is one of the oldest known instruments and has been used in many different cultures throughout history. The LUTE is typically made of wood and has a soundboard, strings, and a fretted fingerboard. It is often used in classical music, folk music, and other genres.