- Sonifer
- Sonifer Son"i*fer, n. [NL. See {Soniferous}.] A kind of ear trumpet for the deaf, or the partially deaf. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
The Collaborative International Dictionary of English. 2000.
hearing aid — (Roget s IV) n. Syn. listening device, ear trumpet, otophone, sonifer, amplifier, sound intensifier, headphone … English dictionary for students