hearing dog

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hearing dog

A dog trained to assist a deaf or hearing-impaired person by signaling the occurrence of certain sounds, such as a doorbell or fire alarm.

hearing dog

A dog specially trained to assist people with diminished hearing or deafness. Synonym: signal dog


1. a member of the family Canidae of the order Carnivora. Includes the domestic dog, Canis familiaris, many wild dogs, foxes, fennecs, jackals and wolves.
2. the term is also used by dog people to mean the entire male dog. There is no other name for him as there is in the other species. See also canine.

assistance dog
those trained to be of assistance to handicapped or disabled people. The most familiar ones are guide dogs and hearing dogs, but others may be trained to assist people confined to wheelchairs or with other types of limited mobility.
a loop of rope at the end of a pole, with the end of the rope at the holding end of the pole. The loop goes over the dog's head and is pulled tight.
domestic dog
classified as hound, gun dogs, terriers, nonsporting dog, working dogs, draft animals, toy breeds.
Breeds of dogs are listed below:
affenpinscher, afghan hound, airedale terrier, akita inu, alaskan malamute, american cocker spaniel, american pit bull terrier, american staffordshire terrier, american water spaniel, anatolian shepherd dog, appenzeller, australian cattle dog, australian kelpie, australian silky terrier, australian terrier.
dog erythrocyte antigen (DEA)
see blood group antigen.
dog flea
guide dog
one trained as an aid to the mobility of a visually impaired person. Guide dogs do not 'take' their owners to specific destinations, but respond to commands given for directions. They are of particular value in avoidance of obstacles, both on the ground and overhead. Many breeds have been used for this purpose, but German shepherd dogs and Labrador retrievers are the most common. Called also seeing-eye dogs.
hearing dog
one trained to respond to certain sounds such as a telephone bell or door knocker and to alert a person with impaired hearing.
dog kennel
a small box-like unit for housing a single dog, or an establishment that boards dogs, or breeds them or maintains a colony, e.g. a pack of hounds, or a stable of Greyhounds.
dog leukocyte antigen (DLA) complex
the major histocompatibility complex in dogs.
dog murrain
chronic selenium poisoning in pastured ruminants. An Irish expression.
dog pox
a papular balanoposthitis and vaginitis described in young dogs; a viral etiology is suspected, but has never been confirmed.
seeing-eye dog
see guide dog (above).
dog tick
varies with the country: American d. tick, see dermacentorvariabilis; Australian d. tick, see ixodesholocyclus; British d. tick, see ixodescanisuga; brown d. tick, see rhipicephalussanguineus; yellow d. tick, see haemaphysalis leachi leachi.
wild dog
includes dingo, Siberian wild dog, the South American bush dog, the maned wolf, Cordillera fox, crab-eating fox, Azara's fox. See also fox, jackal, wolf.


the sense by which sounds are perceived, by conversion of sound waves into nerves impulses, which are then interpreted by the brain. Also, the capacity to perceive sound. The organ of hearing is the ear, which is divided into three sections, the outer, middle and inner ear. Each plays a special role in hearing. Connecting the middle ear with the nasopharynx is the pharyngotympanic canal, through which air enters to equalize the pressure on both sides of the tympanic membrane (eardrum).

hearing aid
an instrument to amplify sounds for the hard of hearing. These have been fitted to dogs, but are not normally offered in veterinary practice.
hearing tests
are difficult to administer and interpret in any other than laboratory-trained animals or without specialized electronic equipment such as an impedance audiometer or electroencephalograph with which auditory cortical evoked responses can be measured.
hearing dog
a dog trained to respond to sounds such as a telephone ring or door bell; used to assist hearing impaired humans.