The Collaborative International Dictionary of English v.0.48:

Cyanaurate \Cy`an*au"rate\ (s?`?n-?"r?t), n.
   See Aurocyanide.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Aurocyanide \Au`ro*cy"a*nide\, n. [Aurum + cyanide.] (Chem.)
   A double cyanide of gold and some other metal or radical; --
   called also cyanaurate.
   [1913 Webster]