union cemetery

noun3

1. •
   A cemetery shared by more than one church congregation or municipality, usually to lighten the financial burden (cost per congregation or municipality) and usually nondenominational/nonsectarian.
2. •
   An instance of such a cemetery, as for example Union Cemetery in Redwood City, California or Union Cemetery in Easton, Connecticut.
3. •
   (US) A cemetery principally for the interment of Union soldiers in the American Civil War.