The Collaborative International Dictionary of English v.0.48:

Funebrial \Fu*ne"bri*al\ (f[-u]*n[=e]"br[i^]*al), a. [L.
   funebris belonging to a funeral, fr. funus funeral.]
   Pertaining to a funeral or funerals; funeral; funereal.
   [Obs.] [Written also funebral.] --Sir T. Browne.
   [1913 Webster]