Sonorous

1. Sonant; vibrant; hence, of sounds produced in a cavity, deep-toned; as, sonorous rhonchi.
2. Giving sound when struck; resonant; as, sonorous metals.
3. Loud-sounding; giving a clear or loud sound; as, a sonorous voice.
4. Impressive in sound; high-sounding.
5. Yielding sound; characterized by sound; vocal; sonant; as, the vowels are sonorous.