tetraedrum
/tɛˈtrɛd.rʊm/Definitions
1. noun
A four-faced musical instrument with bells or other resonating parts, typically with a central drum and surrounding bells.
“The ancient temple featured a magnificent tetraedrum that echoed through the halls.”
2. noun
A four-sided drum or a musical instrument with four faces.
“The musician played the tetraedrum with great skill and precision.”