The term 'hearing DEVICE' can be broken down into two words, 'EAR' and 'DEVICE'. The word 'EAR' is a three letter word and is used to describe the organ of hearing. A hearing DEVICE is an electronic DEVICE that is used to help people with hearing impairments to hear better. It amplifies sound and helps people to understand speech more clearly. Hearing devices come in many different forms, such as hearing aids, cochlear implants, and bone-anchored hearing systems.