A.drum, gong, Plu.Crass.23, Apollod. ap. Sch. Theoc.2.36, Procop.Gaz.Ecphr.p.153B.; tambourine, as head-dress, Herm.Trism.in Rev.Phil.32.254; used for stage-thunder, Sch.Ar. Nu.292; as sounding-boards in the theatre, Vitr.5.5.2.
ἠχεῖον , τό, (ἦχος)