WordNet (r) 3.0 (2006):

Demeter
    n 1: (Greek mythology) goddess of fertility and protector of
         marriage in ancient mythology; counterpart of Roman Ceres

The Free On-line Dictionary of Computing (19 January 2023):

Demeter

   A CASE tool developed mainly by Karl Lieberherr.

   ["Contributions to Teaching Object-Oriented Design and
   Programming" Aug/Sep 1988 issue of JOOP, OOPSLA '89
   Proceedings].

   (1994-12-07)