A percussion instrument sounded by being struck with sticks or the hands, typically cylindrical, barrel-shaped, or bowl-shaped with a taut membrane over one or both ends. Something resembling or likened to a drum in shape, in particular. An evening or afternoon tea party of a kind that was popular in the late 18th and early 19th century. A long narrow hill, especially one separating two parallel valleys. A fish that makes a drumming sound by vibrating its swim bladder, found mainly in estuarine and shallow coastal waters. Play on a drum.