ear A1

/ˈɛː/ One of the two organs on the sides of the head that you hear with.

earmark C2+

/ˈɪrmɑrk/ to set aside funds or resources for a particular purpose

earphone C2+

/ˈɪrˌfoʊn/ a small speaker worn in or over the ear for private listening

earsplitting C2+

/ˈɪrˌsplɪtɪŋ/ extremely loud and harsh to the ear