earplug
device meant to be inserted in the ear canal to protect the user's ears from loud noises or the intrusion of water, foreign bodies, dust or excessive wind
en-GB/ˈɪəplʌɡ/
en-US/ˈiɹˌplʌɡ/
device meant to be inserted in the ear canal to protect the user's ears from loud noises or the intrusion of water, foreign bodies, dust or excessive wind