tuba : Idioms & Phrases
sax-tuba
Sax"-tu`ba noun
Etymology
SeeDefinitions
(Mus.) A powerful instrument of brass, curved somewhat like the Roman buccina, or tuba.
Webster 1913
tuba root
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noun woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone
derris root; Derris elliptica.