A drumstick either refers to a piece of wood to hit drums or, a piece of meat attached to a bone. Usually that bone is the leg bone.
When the question is asked in category food and cooking then answer to this is-
Drumstick is fruit of plant Moringa olifera, it is an exceptionally nutritious vegetable tree with a variety of potential uses. different parts of this plant also has certain medicinal properties, research on this is still on to find out its importance.