earplug

美 [ˈɪrˌplʌɡ]
英 [ˈɪə(r)ˌplʌɡ]
  • n.耳塞(用以挡噪音、防水)
  • 网络耳栓;耳拴;耳塞式
复数:earplugs  
Earplug
n.
1.
耳塞(用以挡噪音、防水)a piece of soft material that you put into your ear to keep out noise or water