Teanu dictionary (Solomon Islands): Example 1985
a heavy bamboo, used as a stamping tube. Singers of buro bula okoro ‘bamboo songs’ stamp (~woi) the bamboo on the ground, thereby producing a deep sound as they sing along
Le-woi okoro awoiu l-oburo i-katau.
They pound bamboos, and then they sing along.
Teanu dictionary (Solomon Islands)