Barrel drum
Barrel drum (Fr.: tambour en tonneau; Ger.: Fasstrommel), drum in which the diam. is larger in the middle than at the ends and the outline of the body is curved (100). Hornborstel, E. M. von, and Sachs, Curt. “Classification of Musical Instruments,” translated by Anthony Baines and Klaus P. Wachsmann, in The Galpin Society Journal, Vol. 14. N.p., 1961.