ear·piece 
(îrpēs′)
(îrpēs′)n.
1.
a. A part, as of a telephone receiver or hearing aid, that fits in or is held next to the ear.
b. An earphone, especially when not part of a pair.
2. Either of the two parts of an eyeglasses frame that extend over or around the ear.
- countertransference
- countervail
- counterweigh
- counterweight
- counterweighted
- counterwoman
- countess
- count heads
- count heads/noses
- countinghouse
- counting house
- counting number
- countless
- countlessly
- count noses
- count noun
- count off
- count on
- count out
- count palatine
- countrified
- country
- country and western
- country club
- country cousin