noun
earplug (traditional Jomon-period jewellery)
Archaic term for a type of earplug worn as jewellery in the earlobe, especially during the Jomon period. Not used for modern earplugs (which are 耳栓 read みみせん).
See also: 耳当
縄文時代の遺跡から耳栓が出土した。
Earplugs were excavated from Jomon-period ruins.