drum

drum - noun

• A percussion instrument consisting of a hollow shell or cylinder with a {a_link|drumhead} stretched over one or both ends that is beaten with the hands or with some implement (such as a stick or wire brush)

• Tympanic membrane

• The sound of a drum

• Any of various chiefly marine bony fishes (family Sciaenidae) that make a {a_link|drumming} or croaking noise using their air bladder and associated muscles