The Collaborative International Dictionary of English v.0.48:

holloware \holloware\, hollowware \hollowware\n.
   serving dishes of silver having some depth in the bowl;
   contrasted with flatware.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

hollowware
    n 1: silverware serving dishes [syn: hollowware, holloware]