[heer-ing-eer] 
| a dog that has been trained to alert a hearing-impaired person to sounds, as a telephone ringing or dangerous noises. |
| hearing dog n. A dog trained to assist a deaf or hearing-impaired person by signaling the occurrence of certain sounds, such as a ringing telephone or doorbell. |
hearing dog n.
A dog trained to assist a deaf or hearing-impaired person by signaling the occurrence of certain sounds, such as a ringing telephone.
ɪŋˌɪər