The Collaborative International Dictionary of English v.0.48:

Cornaceae \Cornaceae\ n.
   a natural family of trees including the genera Aucuba;
   Cornus; Corokia; Curtisia; Griselinia; and
   Helwingia.

   Syn: family Cornaceae, dogwood family.
        [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

Cornaceae
    n 1: a rosid dicot family of the order Umbellales including:
         genera Aucuba, Cornus, Corokia, Curtisia, Griselinia,
         Helwingia [syn: Cornaceae, family Cornaceae, dogwood
         family]