Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sĕpulcrālis, e, adj. [sepulcrum], of or belonging to a tomb, sepulchral (Ovidian): fax, a funeral torch, Ov. H. 2, 120: area, the funeral pyre (cf. sepulcrum, I. B.), id. M. 8, 480.