Sepulchral
Sepulchral , adjective
[Latin sepulcralis: compare French sépulcral.]
1.
Of or pertaining to burial, to the grave, or to monuments erected to the memory of the dead; as, a sepulchral stone; a sepulchral inscription.
2.
Unnaturally low and grave; hollow in tone; -- said of sound, especially of the voice.
This exaggerated dulling of the voice... giving what is commonly called a sepulchral tone.