What is the definition of a "lyre" as mentioned in the text?

The term "lyre" is defined as a stringed musical instrument. This device is historically significant and has been used in various cultures, particularly in ancient Greece, where it played a vital role in accompanying poetry and song. The lyre typically consists of a soundbox and a varying number of strings that are plucked to produce music. Its design focuses on produce melodic sounds, which differentiates it from wind and percussion instruments, which rely on air vibration or striking a surface, respectively. This clarity in its definition establishes the lyre firmly within the realm of stringed instruments, highlighting its unique characteristics and cultural importance in musical history.