Inferiae

·noun ·pl Sacrifices offered to the souls of deceased heroes or friends.

inferiae
infĕrĭae, ārum, f. plur. [inferi], sacrifices in honor of the dead (class.); nom., Ov. M. 13, 613...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
inferiae
īnferiae ārum, f plur.inferus, sacrifices in honor of the dead : Inferiae cadunt cineri, O.: cui i...

An Elementary Latin Dictionary