vibraphone

noun

Etymology: Etymology tree English vibra(to) Proto-Indo-European *bʰeh₂-der. Proto-Hellenic *pʰōnā́ Ancient Greek φωνή (phōnḗ)der. English -phone English vibraphone From vibra(to) + -phone.

1. A percussion instrument with a double row of tuned metal bars, each above a tubular resonator containing a motor-driven rotating vane, giving a vibrato effect.