Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: hearing aid  heer-ing eyd
  1. An electronic device that amplifies sound and is worn to compensate for poor hearing
    - deaf-aid
  2. A conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
    - ear trumpet

Derived forms: hearing aids

Type of: acoustic device, electronic device

Encyclopedia: Hearing aid