plural of steel drum

Synonym of steelpan

plural of steam drum

plural of mud drum

A reservoir of water and steam at the top end of the water tubes in a boiler. It acts as a phase-separator for the steam/water mixture.

A boiler's water drum, particularly one mounted low on the boiler so as to keep mud from circulation.

plural of frame drum

Synonym of goblet drum

plural of chalice drum

(music) A musical instrument characterized by extreme length, typically made out of an entire hollow tree trunk.