Source : Webster's Revised Unabridged Dictionary (1913)

Sepulchral \Se*pul"chral\, a. [L. sepulcralis: cf. F.
   s['e]pulcral.]
   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. --H.
                                                  Sweet.

Source : WordNet®

sepulchral
     adj 1: of or relating to a sepulchre; "sepulchral inscriptions";
            "sepulchral monuments in churches"
     2: gruesomely indicative of death or the dead; "a charnel smell
        came from the chest filled with dead men's bones";
        "ghastly shrieks"; "the sepulchral darkness of the
        catacombs" [syn: {charnel}, {ghastly}]
     3: suited to or suggestive of a grave or burial; "funereal
        gloom"; "hollow sepulchral tones" [syn: {funereal}]