Other forms: earplugs
An earplug is a small plug worn to protect hearing at loud shows. Wear earplugs, a pair of earplugs, forgot my earplugs.
Hearing damage from loud music is permanent and cumulative, which is why musicians wear them long before the audience learns to. Musicians' earplugs cut every frequency evenly rather than muffling the top.
1nounearplugA small plug worn to protect hearing at loud shows.
“I always take earplugs to rock concerts, or my ears ring for days afterwards.”
earplug is a plug.
Ear plus plug, on the plain pattern of the many compounds English builds from body parts.
From ear + plug.
Etymology from Wiktionary, CC BY-SA