tuba

noun

1. 1.A large brass musical instrument, usually in the bass range, played through a vibration of the lips upon the mouthpiece and fingering of the keys.
2. 2.A type of Roman military trumpet, distinct from the modern tuba.
3. 3.A large reed stop in organs.
4. 4.A Malayan plant whose roots are a significant source of rotenone, Derris malaccensis.
5. 5.A reddish palm wine made from coconut or nipa sap.