Proper noun
Tadoma
A tactile method of communication used by deafblind people, based on feeling movement and vibration around the jawline.
However, a small number of deafblind people successfully use Tadoma in everyday communication. Source: Internet
Tadoma is a method of communication used by deafblind individuals, http://www.sfsu.edu/~cadbs/Eng005t.html in which the deafblind person places their thumb on the speaker's lips and their fingers along the jawline. Source: Internet
In addition, the Tadoma method can provide the deaf-blind person with a closer connection with speech than they might otherwise have had. Source: Internet